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Light micrographs Stock Photos and Images

Light Micrograph (LM) of non-vascular plant liverwort showing chloroplasts and oil bodies, magnification x1200 Stock Photo

RMBRC1B5–Light Micrograph (LM) of non-vascular plant liverwort showing chloroplasts and oil bodies, magnification x1200

Light micrographs of basswood (Tilia americana) stems in cross section. One-year through three-year specimens. Stock Photo

RMBXY610–Light micrographs of basswood (Tilia americana) stems in cross section. One-year through three-year specimens.

Illustration based on fluorescence light micrographs of organoids. Cell nuclei are purple and cell membranes green. Organoids are three dimensional, miniature, simplified versions of organs grown in the laboratory. They are able to survive for months in controlled conditions allowing diseases to be studied over time and the testing of targeted therapies. Stock Photo

RF2WT60H2–Illustration based on fluorescence light micrographs of organoids. Cell nuclei are purple and cell membranes green. Organoids are three dimensional, miniature, simplified versions of organs grown in the laboratory. They are able to survive for months in controlled conditions allowing diseases to be studied over time and the testing of targeted therapies.

RMHRF5XC–Ear cartilage

Light photomicrograph of many plants cells seen through a microscope Stock Photo

RFT7WMAD–Light photomicrograph of many plants cells seen through a microscope

RF2BR45G6–Light photomicrograph of many plants cells seen through a microscope

RFD3HT9J–PARAMOECIUM SEM

$BY J. P. SPRINGER. p as source of light. Chatelier apparatus for making metallographs using “Liliput' focusing arc lam Di rammatic view of the Chatelier s stem of' micro hotogra ag P Y Nernst lamp used with the Chatelier microphotographic apparatus. Micrographs of 1.65 per cent carbon steel showing effects of overheating. Camera taking macrograph of a fracture of Electric polishing machine for preparing specimen. specimens to be microphotographed., scientific american, 1908-11-07 Stock Photo$

RM2ABY42P–BY J. P. SPRINGER. p as source of light. Chatelier apparatus for making metallographs using “Liliput' focusing arc lam Di rammatic view of the Chatelier s stem of' micro hotogra ag P Y Nernst lamp used with the Chatelier microphotographic apparatus. Micrographs of 1.65 per cent carbon steel showing effects of overheating. Camera taking macrograph of a fracture of Electric polishing machine for preparing specimen. specimens to be microphotographed., scientific american, 1908-11-07

Coloured SEM of projector bulb filament Stock Photo

RFDWC4AN–Coloured SEM of projector bulb filament

Rosy conk (Fomitopsis cajanderi, synonyms Fomitopsis subrosea and Fomes subrosea) with micrographs of the spore print, pores, and individual spores Stock Photo

RMKPP96E–Rosy conk (Fomitopsis cajanderi, synonyms Fomitopsis subrosea and Fomes subrosea) with micrographs of the spore print, pores, and individual spores

Fish Louse Argalus foliaceus Stock Photo

RMA2D0W2–Fish Louse Argalus foliaceus

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. J • FIGURE 1A-1L. Light micrographs showing the cortical reaction of P. aztecus eggs from the unreacted stage, through the release of the polar body (arrow), to the formation of a hatching membrane. Bar = 200 /urn. Once the cortical rods are expelled, they form a corona around the egg (Fig. IE). This corona remains as the rods swell and begin to dissipate (Figs. 1G, 1J). Within 5 to 7 min after initiation of the reaction, the cortical rods. Please note that these images are extracted from scanned page images that may have be Stock Photo

RMRHN643–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. J • FIGURE 1A-1L. Light micrographs showing the cortical reaction of P. aztecus eggs from the unreacted stage, through the release of the polar body (arrow), to the formation of a hatching membrane. Bar = 200 /urn. Once the cortical rods are expelled, they form a corona around the egg (Fig. IE). This corona remains as the rods swell and begin to dissipate (Figs. 1G, 1J). Within 5 to 7 min after initiation of the reaction, the cortical rods. Please note that these images are extracted from scanned page images that may have be

The electron microscope, its development, present performance and future possibilities electronmicrosco00gabo Year: 1948 ^ (a) B. Subtilis • (b) Typhoid Fig. 28. Typhoid germ and Bacillus Subtilis electron and light micrographs density. This for the time being is still a difficult and rather uncertain process, and in the case of small objects their theory requires correction for the reasons described in chapter 6. The biologist will obtain in most cases sufficient information from a few micrographs which show the bacilli in different positions or directly from stereoscopic electron micro Stock Photo

RMRYH5RJ–The electron microscope, its development, present performance and future possibilities electronmicrosco00gabo Year: 1948 ^ (a) B. Subtilis • (b) Typhoid Fig. 28. Typhoid germ and Bacillus Subtilis electron and light micrographs density. This for the time being is still a difficult and rather uncertain process, and in the case of small objects their theory requires correction for the reasons described in chapter 6. The biologist will obtain in most cases sufficient information from a few micrographs which show the bacilli in different positions or directly from stereoscopic electron micro

. The electron microscope, its development, present performance and future possibilities . (b) Typhoid Fig. 28. Typhoid germ and Bacillus Subtilis electron and light micrographs density. This for the time being is still a difficult and rather uncertain process, and in the case of small objects their theory requires correction for the reasons described in chapter 6. The biologist will obtain in most cases sufficient information from a few micrographs which show the bacilli in different positions or directly from stereoscopic electron micrographs. By these means it is possible to overcome the di Stock Photo

RMMA79Y0–. The electron microscope, its development, present performance and future possibilities . (b) Typhoid Fig. 28. Typhoid germ and Bacillus Subtilis electron and light micrographs density. This for the time being is still a difficult and rather uncertain process, and in the case of small objects their theory requires correction for the reasons described in chapter 6. The biologist will obtain in most cases sufficient information from a few micrographs which show the bacilli in different positions or directly from stereoscopic electron micrographs. By these means it is possible to overcome the di

. Cytology. Cytology. presumably in part DNA helices. So far as we are aware the only inter- pretation of electron micrographs which attempts to tie together the submicroscopic picture with that revealed by the light microscope is the. mm Of 2 «tcw(88/tuf 3W SOMATIC mAPHKSi cmomum S^ratlon i$ possflMe in s^h « 3 oniers * coHing. •W»l Argenrw Nstiowl l*. i^jg Figure 7-5. Model of Two Microfibrillae Showing Three Levels of Coiling in a Somatic Metaphase Chromosome. (From Nebel, B. R., 1960. "On the Structure of Mammalian Chromosomes During Spermatogenesis and After Radiation, with Special R Stock Photo

RMPFH8TC–. Cytology. Cytology. presumably in part DNA helices. So far as we are aware the only inter- pretation of electron micrographs which attempts to tie together the submicroscopic picture with that revealed by the light microscope is the. mm Of 2 «tcw(88/tuf 3W SOMATIC mAPHKSi cmomum S^ratlon i$ possflMe in s^h « 3 oniers * coHing. •W»l Argenrw Nstiowl l*. i^jg Figure 7-5. Model of Two Microfibrillae Showing Three Levels of Coiling in a Somatic Metaphase Chromosome. (From Nebel, B. R., 1960. "On the Structure of Mammalian Chromosomes During Spermatogenesis and After Radiation, with Special R

The decomposition of the foliage begins when the leaves are on the ground, by fungi, bacteria and mites Stock Photo

RFR9CBHY–The decomposition of the foliage begins when the leaves are on the ground, by fungi, bacteria and mites

Light Micrograph (LM) of a transverse section of a stem of a Palm, magnification x12 Stock Photo

RMBRC1HR–Light Micrograph (LM) of a transverse section of a stem of a Palm, magnification x12

Illustration based on fluorescence light micrographs of organoids. Cell nuclei are green and cell membranes purple. Organoids are three dimensional, miniature, simplified versions of organs grown in the laboratory. They are able to survive for months in controlled conditions allowing diseases to be studied over time and the testing of targeted therapies. Stock Photo

RF2WT60H0–Illustration based on fluorescence light micrographs of organoids. Cell nuclei are green and cell membranes purple. Organoids are three dimensional, miniature, simplified versions of organs grown in the laboratory. They are able to survive for months in controlled conditions allowing diseases to be studied over time and the testing of targeted therapies.

RMHRF6JK–Tendon

RFDWC4B0–Coloured SEM of projector bulb filament

. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. 200 Bulletin Museum of Comparative Zoology, Vol. 159, No. 3. Figure 12. Bugula robusta. Tasmania. SEM and light microscope images. SEM: A. Abfrontal side of branch, showing bifurcation pattern. Scale bar = 200 |jim. B. Close-up of abfrontal side of branch, showing zig-zag patterning of adjoining walls. Scale bar = 100 (i.m. C. Close-up of operculum of one zooid and position of peduncle of distal zooid on its outer proximal frontal wall. Scale bar = 50 |xm. Light micrographs: D. Back view of radicles and zooid Stock Photo

RMRGERNJ–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. 200 Bulletin Museum of Comparative Zoology, Vol. 159, No. 3. Figure 12. Bugula robusta. Tasmania. SEM and light microscope images. SEM: A. Abfrontal side of branch, showing bifurcation pattern. Scale bar = 200 |jim. B. Close-up of abfrontal side of branch, showing zig-zag patterning of adjoining walls. Scale bar = 100 (i.m. C. Close-up of operculum of one zooid and position of peduncle of distal zooid on its outer proximal frontal wall. Scale bar = 50 |xm. Light micrographs: D. Back view of radicles and zooid

The electron microscope, its development, The electron microscope, its development, present performance and future possibilities electronmicrosco00gabo Year: 1948 ^ (a) B. Subtilis • (b) Typhoid Fig. 28. Typhoid germ and Bacillus Subtilis electron and light micrographs density. This for the time being is still a difficult and rather uncertain process, and in the case of small objects their theory requires correction for the reasons described in chapter 6. The biologist will obtain in most cases sufficient information from a few micrographs which show the bacilli in different positions or Stock Photo

RMRWP6WF–The electron microscope, its development, The electron microscope, its development, present performance and future possibilities electronmicrosco00gabo Year: 1948 ^ (a) B. Subtilis • (b) Typhoid Fig. 28. Typhoid germ and Bacillus Subtilis electron and light micrographs density. This for the time being is still a difficult and rather uncertain process, and in the case of small objects their theory requires correction for the reasons described in chapter 6. The biologist will obtain in most cases sufficient information from a few micrographs which show the bacilli in different positions or

RFR9CBHE–The decomposition of the foliage begins when the leaves are on the ground, by fungi, bacteria and mites

Light Micrograph (LM) of a transverse section of a Helianthus stem, magnification x 18 Stock Photo

RMBRC1FT–Light Micrograph (LM) of a transverse section of a Helianthus stem, magnification x 18

Illustration based on fluorescence light micrographs of organoids. Cell nuclei are green and cell membranes red. Organoids are three dimensional, miniature, simplified versions of organs grown in the laboratory. They are able to survive for months in controlled conditions allowing diseases to be studied over time and the testing of targeted therapies. Stock Photo

RF2WT60HX–Illustration based on fluorescence light micrographs of organoids. Cell nuclei are green and cell membranes red. Organoids are three dimensional, miniature, simplified versions of organs grown in the laboratory. They are able to survive for months in controlled conditions allowing diseases to be studied over time and the testing of targeted therapies.

RMHRF5WH–Trichinella Spiralis

RFDWC4AH–Coloured SEM of projector bulb filament

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. Figure 4. Light micrographs of cross sections taken through the width of the mantle of Bathypolypus arcliais. The epidermis, which consists of an epithelium underlain with a thin layer of dispersed collagen fibers, has been removed. (Micrograph A) The mantle consists of two primary layers of muscle bundles of about equal width. These layers are separated by a space that contains blood vessels (oval structure in the center) (magnification = 62X). (Micrograph B) The outer surface of the mantle consists of small bundles of long Stock Photo

RMRHMEEX–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. Figure 4. Light micrographs of cross sections taken through the width of the mantle of Bathypolypus arcliais. The epidermis, which consists of an epithelium underlain with a thin layer of dispersed collagen fibers, has been removed. (Micrograph A) The mantle consists of two primary layers of muscle bundles of about equal width. These layers are separated by a space that contains blood vessels (oval structure in the center) (magnification = 62X). (Micrograph B) The outer surface of the mantle consists of small bundles of long

Electron-microscopic structure of protozoa . electronmicrosco00pite Year: 1963 208 ELECTRON-MICROSCOPIC STRUCTURE OF PROTOZOA The adoral ciliature consists of a long spiral band in which cilia occur in short oblique rows, each row arising from a basal rod visible in the light microscope (Text-fig. 16). Electron micrographs of sections through the level of the kinetosomes show that the rows are uniformly aligned, and not separated into groups corresponding to discrete membranelles. Each kineto- Mymr Text-figure 16. Diagrammatic reconstruction of part of the adoral ciliary zone of an ophryos Stock Photo

RMT03TDH–Electron-microscopic structure of protozoa . electronmicrosco00pite Year: 1963 208 ELECTRON-MICROSCOPIC STRUCTURE OF PROTOZOA The adoral ciliature consists of a long spiral band in which cilia occur in short oblique rows, each row arising from a basal rod visible in the light microscope (Text-fig. 16). Electron micrographs of sections through the level of the kinetosomes show that the rows are uniformly aligned, and not separated into groups corresponding to discrete membranelles. Each kineto- Mymr Text-figure 16. Diagrammatic reconstruction of part of the adoral ciliary zone of an ophryos

RFR9CBHG–The decomposition of the foliage begins when the leaves are on the ground, by fungi, bacteria and mites

Light Micrograph (LM) of a transverse section of a stem of a Marrow (Cucurbita sp.), magnification x12 Stock Photo

RMBRC1FD–Light Micrograph (LM) of a transverse section of a stem of a Marrow (Cucurbita sp.), magnification x12

Illustration based on fluorescence light micrographs of organoids. Cell nuclei are red and cell membranes blue. Organoids are three dimensional, miniature, simplified versions of organs grown in the laboratory. They are able to survive for months in controlled conditions allowing diseases to be studied over time and the testing of targeted therapies. Stock Photo

RF2WT60J4–Illustration based on fluorescence light micrographs of organoids. Cell nuclei are red and cell membranes blue. Organoids are three dimensional, miniature, simplified versions of organs grown in the laboratory. They are able to survive for months in controlled conditions allowing diseases to be studied over time and the testing of targeted therapies.

RMHRJ9X5–Trichinella Spiralis

RFBX54MG–Blood, light micrograph

Amoeba protozoan feeding, Fourth in a seriesof four light micrographs showing a single-celled Stock Photo

RFB6E2B0–Amoeba protozoan feeding, Fourth in a seriesof four light micrographs showing a single-celled

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. HERMIT CRAB SPERMATOPHORE DIVERSITY 243. Figure 2. Light micrographs of spermatophores of hermit crabs. (A) Coenobita brevimanus (Coenobitidae). (B) Dardanus megislos (Diogemdae). (C) Caleinus latent (Diogenidae). (D) Dardanu.t lagopodes (Diogenidae). Note the double-headed spermatophores. (E) Clibanarius corallinus (Diogenidae). (F) Pagunis hinimamit (Pagundae). Detail of the accessory ampulla containing a single spermatozoa. (G-I) Diogenes gardineri (Diogenidae). Series of three micrographs from the proximal to the distal Stock Photo

RMRHMYKF–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. HERMIT CRAB SPERMATOPHORE DIVERSITY 243. Figure 2. Light micrographs of spermatophores of hermit crabs. (A) Coenobita brevimanus (Coenobitidae). (B) Dardanus megislos (Diogemdae). (C) Caleinus latent (Diogenidae). (D) Dardanu.t lagopodes (Diogenidae). Note the double-headed spermatophores. (E) Clibanarius corallinus (Diogenidae). (F) Pagunis hinimamit (Pagundae). Detail of the accessory ampulla containing a single spermatozoa. (G-I) Diogenes gardineri (Diogenidae). Series of three micrographs from the proximal to the distal

Electron-microscopic structure of protozoa (1963) Electron-microscopic structure of protozoa electronmicrosco00pite Year: 1963 208 ELECTRON-MICROSCOPIC STRUCTURE OF PROTOZOA The adoral ciliature consists of a long spiral band in which cilia occur in short oblique rows, each row arising from a basal rod visible in the light microscope (Text-fig. 16). Electron micrographs of sections through the level of the kinetosomes show that the rows are uniformly aligned, and not separated into groups corresponding to discrete membranelles. Each kineto- Mymr Text-figure 16. Diagrammatic reconstruction Stock Photo

RMRWRRBE–Electron-microscopic structure of protozoa (1963) Electron-microscopic structure of protozoa electronmicrosco00pite Year: 1963 208 ELECTRON-MICROSCOPIC STRUCTURE OF PROTOZOA The adoral ciliature consists of a long spiral band in which cilia occur in short oblique rows, each row arising from a basal rod visible in the light microscope (Text-fig. 16). Electron micrographs of sections through the level of the kinetosomes show that the rows are uniformly aligned, and not separated into groups corresponding to discrete membranelles. Each kineto- Mymr Text-figure 16. Diagrammatic reconstruction

RFR9CBJ8–The decomposition of the foliage begins when the leaves are on the ground, by fungi, bacteria and mites

Light Micrograph (LM) of a transverse section of an aerial root of a Pandanus sp., magnification x30 Stock Photo

RMBRC1G7–Light Micrograph (LM) of a transverse section of an aerial root of a Pandanus sp., magnification x30

RMHRF5WG–Trichinella Spiralis

Human spinal cord, light micrograph Stock Photo

RFBFMPT6–Human spinal cord, light micrograph

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. **?•>. Figure 5. Light micrographs of a series of semithin sections from the outer edge of the infundihulum (A), through the middle region of the inl'undihulum (B), lo the center of the acetabular canal (C). Each photo- phore consists of an outer epithelium that is recessed below the level of a supporting epidermal collar (co). This epithelium forms the infundihulum (inland the acetabulum (ac)and is covered by a cuticle (cu). A capsule-like mass of tissue (ca) is located below the outer epithelium and is separated from th Stock Photo

RMRHKNN4–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. **?•>. Figure 5. Light micrographs of a series of semithin sections from the outer edge of the infundihulum (A), through the middle region of the inl'undihulum (B), lo the center of the acetabular canal (C). Each photo- phore consists of an outer epithelium that is recessed below the level of a supporting epidermal collar (co). This epithelium forms the infundihulum (inland the acetabulum (ac)and is covered by a cuticle (cu). A capsule-like mass of tissue (ca) is located below the outer epithelium and is separated from th

RFR9CBJ3–The decomposition of the foliage begins when the leaves are on the ground, by fungi, bacteria and mites

Light Micrograph (LM) of a transverse section of a stem of a Monocot (Ruscus aculeatus), magnification x30 Stock Photo

RMBRC1HB–Light Micrograph (LM) of a transverse section of a stem of a Monocot (Ruscus aculeatus), magnification x30

RMHRF545–Euplotes patella

RFBK7BTG–Leech, SEM

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CYPRID NEUROANATOMY 157. 20|am Figure 12. Light micrographs showing possible innervation of the esophagus and gut. (A-B) The esophagus of the cyprid opens on the ventral surface through the oral cone (consisting of vestigial mouthpart appendages). In these sections the esophagus appears to be closed in the region where it passes between the cephalon and thorax. Nerve roots arising from the anterior ganglionic divisions can be traced along the length of the esophagus and extend toward the gut (arrows). Innervation of mouthpar Stock Photo

RMRHME5M–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CYPRID NEUROANATOMY 157. 20|am Figure 12. Light micrographs showing possible innervation of the esophagus and gut. (A-B) The esophagus of the cyprid opens on the ventral surface through the oral cone (consisting of vestigial mouthpart appendages). In these sections the esophagus appears to be closed in the region where it passes between the cephalon and thorax. Nerve roots arising from the anterior ganglionic divisions can be traced along the length of the esophagus and extend toward the gut (arrows). Innervation of mouthpar

RFR9CBJ9–The decomposition of the foliage begins when the leaves are on the ground, by fungi, bacteria and mites

Light Micrograph (LM) of a transverse section of a leaf of a Tulip (Tulipa sp.) showing stomata, magnification x1200 Stock Photo

RMBRC1AY–Light Micrograph (LM) of a transverse section of a leaf of a Tulip (Tulipa sp.) showing stomata, magnification x1200

RMHRF6F4–Stentor protist

RFBK7BTH–Leech, SEM

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. • — '•;-» co. Figures 1-6. Light micrographs of asexual reproduction via paratomous cloning and budding by field- collected bipinnaria and brachiolaria larvae.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Ratt Stock Photo

RMRHMX8T–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. • — '•;-» co. Figures 1-6. Light micrographs of asexual reproduction via paratomous cloning and budding by field- collected bipinnaria and brachiolaria larvae.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Ratt

RFR9CBHF–The decomposition of the foliage begins when the leaves are on the ground, by fungi, bacteria and mites

Light Micrograph (LM) of a transverse section showing xylem of root of Ranunculus repens (Creeping Buttercup) Stock Photo

RMBRC1DN–Light Micrograph (LM) of a transverse section showing xylem of root of Ranunculus repens (Creeping Buttercup)

RMHRF57B–Foraminifera

RFBK7BTJ–Water flea, SEM

. The electron microscope, its development, present performance and future possibilities. Electron microscopes. ^ (a) B. Subtilis •. (b) Typhoid Fig. 28. Typhoid germ and Bacillus Subtilis electron and light micrographs density. This for the time being is still a difficult and rather uncertain process, and in the case of small objects their theory requires correction for the reasons described in chapter 6. The biologist will obtain in most cases sufficient information from a few micrographs which show the bacilli in different positions or directly from stereoscopic electron micrographs. By th Stock Photo

RMRD5FPB–. The electron microscope, its development, present performance and future possibilities. Electron microscopes. ^ (a) B. Subtilis •. (b) Typhoid Fig. 28. Typhoid germ and Bacillus Subtilis electron and light micrographs density. This for the time being is still a difficult and rather uncertain process, and in the case of small objects their theory requires correction for the reasons described in chapter 6. The biologist will obtain in most cases sufficient information from a few micrographs which show the bacilli in different positions or directly from stereoscopic electron micrographs. By th

RFR9CBJ4–The decomposition of the foliage begins when the leaves are on the ground, by fungi, bacteria and mites

Light Micrograph (LM) of a transverse section of a stem of a Butcher's broom (Ruscus aculeatus), magnification x150 Stock Photo

RMBRC1EH–Light Micrograph (LM) of a transverse section of a stem of a Butcher's broom (Ruscus aculeatus), magnification x150

RMHRF53X–Amoeba proteus

RFBK7BTK–Water flea, SEM

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. M. FIGURE 10. Higher magnification electron micrograph showing microfilaments (arrows) longitu- dinally-arranged in the microvilli of the fertilization cone. Bar = 0.25 Mm. Insets: light micrographs showing late stages in fertilization cone formation. In the upper inset, the sperm tail still protrudes from the fertilization cone; in the lower inset, the sperm tail has been lost. FIGURE 11. Nucleus of a newly-incorporated sperm. The nuclear envelope has become vesiculated (VNE) and the chromatin appears to be beginning to dec Stock Photo

RMRHN3AE–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. M. FIGURE 10. Higher magnification electron micrograph showing microfilaments (arrows) longitu- dinally-arranged in the microvilli of the fertilization cone. Bar = 0.25 Mm. Insets: light micrographs showing late stages in fertilization cone formation. In the upper inset, the sperm tail still protrudes from the fertilization cone; in the lower inset, the sperm tail has been lost. FIGURE 11. Nucleus of a newly-incorporated sperm. The nuclear envelope has become vesiculated (VNE) and the chromatin appears to be beginning to dec

RFR9CBHC–The decomposition of the foliage begins when the leaves are on the ground, by fungi, bacteria and mites

Light Micrograph (LM) of a transverse section of a stem of Fragrant Virgin's Bower (Clematis flammula) stem, magnification x30 Stock Photo

RMBRC1GA–Light Micrograph (LM) of a transverse section of a stem of Fragrant Virgin's Bower (Clematis flammula) stem, magnification x30

RMHRF51G–Stentor protist

RFBK7BTE–Eyelash follicle, SEM

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. REPRODUCTIVE CYCLE OF PSOLUS 1-'ABR1CI1 135. Figure 9. Psolus fabricii. Light micrographs of testicular sections illustrating the spermatogenic cycle. (A) Post-spawning testis showing the germinal epithelium (GE) and channels where sperm passed during spawning (C); (B) Growth stage showing the highly convoluted germinal epithelium (GE) and the proliferation zone (PZ); (C) Growth stage showing the germinal epithelium, spermatogonia (SG), spermatocytes (SC) spermatids (ST) and spermatozoa (SP) in successive layers progressing Stock Photo

RMRHKPFA–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. REPRODUCTIVE CYCLE OF PSOLUS 1-'ABR1CI1 135. Figure 9. Psolus fabricii. Light micrographs of testicular sections illustrating the spermatogenic cycle. (A) Post-spawning testis showing the germinal epithelium (GE) and channels where sperm passed during spawning (C); (B) Growth stage showing the highly convoluted germinal epithelium (GE) and the proliferation zone (PZ); (C) Growth stage showing the germinal epithelium, spermatogonia (SG), spermatocytes (SC) spermatids (ST) and spermatozoa (SP) in successive layers progressing

RFR9CBHM–The decomposition of the foliage begins when the leaves are on the ground, by fungi, bacteria and mites

Light Micrograph (LM) of a transverse section of a stem of a Pepper, magnification x12 Stock Photo

RMBRC1F8–Light Micrograph (LM) of a transverse section of a stem of a Pepper, magnification x12

RMHRF565–Stentor coeruleus

RFBK7BT9–Eyelash follicle, SEM

. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. Figures 9-11. Associations among meiofauna and A heterotrophic dinoflagellate in floating detritus. Fig. 9. Small round dinoflagellates are prey of an Euplotes harpa. ciliate. Fig. 10. Two different sized dinoflagellates are prey in Euplotes harpa. ciliate. Fig. 11. A heterotrophic dinoflagellate Dinophysis Votundatum engulfed oblong microalgae. Examples of dinoflagellates as prey of ciliates and heterotrophic dinoflagellates in floating detritus are in the following light micrographs illustrated at 400x magni Stock Photo

RMRJXM49–. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. Figures 9-11. Associations among meiofauna and A heterotrophic dinoflagellate in floating detritus. Fig. 9. Small round dinoflagellates are prey of an Euplotes harpa. ciliate. Fig. 10. Two different sized dinoflagellates are prey in Euplotes harpa. ciliate. Fig. 11. A heterotrophic dinoflagellate Dinophysis Votundatum engulfed oblong microalgae. Examples of dinoflagellates as prey of ciliates and heterotrophic dinoflagellates in floating detritus are in the following light micrographs illustrated at 400x magni

RFR9CBHT–The decomposition of the foliage begins when the leaves are on the ground, by fungi, bacteria and mites

Light Micrograph (LM) of a longitudinal section showing xylem elements of Mahogany wood (Pinus sylvestris), magnification x600 Stock Photo

RMBRC1K3–Light Micrograph (LM) of a longitudinal section showing xylem elements of Mahogany wood (Pinus sylvestris), magnification x600

RMHRF6FP–Unmyelinated Nerve

RFBK7BTF–Eyelash follicle, SEM

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. Figure 1. Light micrographs of living cells of selected free-living amitochondriate protists. (I) Mttstigamueha schizophrenia (phase con- trast). (2) Trimustix marina (phase contrast). (3) Chiloina.itix cus/ndala (differential interference contrast). (4) Carpediemonas membranifera (dif- ferential interference contrast). Scale bar for panel 1 represents 10 /im. Scale bar for panels 2—t (in 4) represents 10 /im. native conclusion that the idiosyncrasies are derived within the pelobionts, unless the pelobionts are paraphyletic Stock Photo

RMRHME1R–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. Figure 1. Light micrographs of living cells of selected free-living amitochondriate protists. (I) Mttstigamueha schizophrenia (phase con- trast). (2) Trimustix marina (phase contrast). (3) Chiloina.itix cus/ndala (differential interference contrast). (4) Carpediemonas membranifera (dif- ferential interference contrast). Scale bar for panel 1 represents 10 /im. Scale bar for panels 2—t (in 4) represents 10 /im. native conclusion that the idiosyncrasies are derived within the pelobionts, unless the pelobionts are paraphyletic

RFR9CBHR–The decomposition of the foliage begins when the leaves are on the ground, by fungi, bacteria and mites

Light Micrograph (LM) of onion skin cells, magnification x 600 Stock Photo

RMBRC1AJ–Light Micrograph (LM) of onion skin cells, magnification x 600

RMHRF6FM–Myelinated Nerve

Sarcoptic mange mite eggs, SEM Stock Photo

RFBK7BRR–Sarcoptic mange mite eggs, SEM

$. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ERYTHROCYTE SHAPE TRANSFORMATION 397. Figure 1. Light micrographs of Noelia ponderosa erythrocytes before and after shape transformation, (a) Normal erythrocytes (N-cells), flattened and slightly ellipsoidal; (b) shape-transformed erythrocytes (X-cells), appearing refractile, lumpy, and spheroidal at this level of resolution: (c. d) examples of shape-transformed erythrocytes at different stages during recovery: (e) cells of essentially normal shape post-recovery. Video- enhanced phase contrast microscopy; bar = 10 fxm. 10 mg Stock Photo$

RMRHKKAR–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ERYTHROCYTE SHAPE TRANSFORMATION 397. Figure 1. Light micrographs of Noelia ponderosa erythrocytes before and after shape transformation, (a) Normal erythrocytes (N-cells), flattened and slightly ellipsoidal; (b) shape-transformed erythrocytes (X-cells), appearing refractile, lumpy, and spheroidal at this level of resolution: (c. d) examples of shape-transformed erythrocytes at different stages during recovery: (e) cells of essentially normal shape post-recovery. Video- enhanced phase contrast microscopy; bar = 10 fxm. 10 mg

RFR9CBHP–The decomposition of the foliage begins when the leaves are on the ground, by fungi, bacteria and mites

Light Micrograph (LM) of a plant cell chloroplasts, the site where photosynthesis takes place Stock Photo

RMBRC1BC–Light Micrograph (LM) of a plant cell chloroplasts, the site where photosynthesis takes place

RMHRF560–Paramecium caudatum

RFBK7BRT–Sarcoptic mange mite eggs, SEM

. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. Association of Microscopic Organisms in Detritus Detritus provides a protective environment which acts as a nursery for diverse species of toxic and nontoxic dinoflagellates and meiofauna. The following light micrographs illustrate the life-cycle stages of dinoflagellates in detritus (Figs 2-8).. Figures 2-8. Life cycle stages and related associations among benthic dinoflagellates present in floating detritus. Floating detritus showing loosely bound fibrous aggregates and life-cycle stages viewed at low (lOOx) Stock Photo

RMRJXM5W–. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. Association of Microscopic Organisms in Detritus Detritus provides a protective environment which acts as a nursery for diverse species of toxic and nontoxic dinoflagellates and meiofauna. The following light micrographs illustrate the life-cycle stages of dinoflagellates in detritus (Figs 2-8).. Figures 2-8. Life cycle stages and related associations among benthic dinoflagellates present in floating detritus. Floating detritus showing loosely bound fibrous aggregates and life-cycle stages viewed at low (lOOx)

RFR9CBHD–The decomposition of the foliage begins when the leaves are on the ground, by fungi, bacteria and mites

Light Micrograph (LM) of a transverse section of a Dandelion stem (Taraxacum officinale), magnification x24 Stock Photo

RMBRC1F9–Light Micrograph (LM) of a transverse section of a Dandelion stem (Taraxacum officinale), magnification x24

RMHRF6WX–Protozoa, Amoeba, LM

RFBK7BRK–Pyoderma skin disease, SEM

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. Figure 6. Light micrographs of newly settled polyps of Fungia scu- iiirin. (A) A/ooxanthellate polyp (m = mouth). (B) Zooxanthellate polyp. Zooxanthellae appear as brown spheres in the polyp. The two polyps shown in this figure were settled in the same dish, adjacent to one another. Contaminating diatoms appear as small ellipses around the polyps. Polyp diameter = 100 jxm. exhibit feeding behavior that leads to the ingestion of zoo- xanthellae. It will be interesting to determine whether other species that produce a feeding Stock Photo

RMRHMCCP–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. Figure 6. Light micrographs of newly settled polyps of Fungia scu- iiirin. (A) A/ooxanthellate polyp (m = mouth). (B) Zooxanthellate polyp. Zooxanthellae appear as brown spheres in the polyp. The two polyps shown in this figure were settled in the same dish, adjacent to one another. Contaminating diatoms appear as small ellipses around the polyps. Polyp diameter = 100 jxm. exhibit feeding behavior that leads to the ingestion of zoo- xanthellae. It will be interesting to determine whether other species that produce a feeding

RFR9CBHK–The decomposition of the foliage begins when the leaves are on the ground, by fungi, bacteria and mites

Light Micrograph (LM) of the transverse section of Dehiscence Lilium Anthers with pollen, magnification x300 Stock Photo

RMBRC1C0–Light Micrograph (LM) of the transverse section of Dehiscence Lilium Anthers with pollen, magnification x300

RMHRF6DC–Euglena gracilis

RFBK7BRP–Sarcoptic mange mites, SEM

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 250 F. HIDETAK.A ET AL. Figure 2. Light micrographs of eggs, developing infusoriform embryos, and fully formed infusoriform embryos otDicyema japonicum. Photomicrographs were taken at magnifications of 2000 diameters under an oil-immersion objective. Scale bar = 1(1 fjm. a. An infusorigen (left) and an oocyte undergoing meiosis (nght). The short arrow indicates the first polar body and the long arrows indicate spermatozoa, b. An oocyte undergoing the second meiotic division. The arrow indicates a spermatozoon, c. An oocyte f Stock Photo

RMRHKPAF–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 250 F. HIDETAK.A ET AL. Figure 2. Light micrographs of eggs, developing infusoriform embryos, and fully formed infusoriform embryos otDicyema japonicum. Photomicrographs were taken at magnifications of 2000 diameters under an oil-immersion objective. Scale bar = 1(1 fjm. a. An infusorigen (left) and an oocyte undergoing meiosis (nght). The short arrow indicates the first polar body and the long arrows indicate spermatozoa, b. An oocyte undergoing the second meiotic division. The arrow indicates a spermatozoon, c. An oocyte f