RMPFA7R2–. The development of the chick; an introduction to embryology. Birds -- Embryology. >v;:-.'-i.. iW'NJi. Fig. 146. — Transverse section through the cervical swelling of the spinal cord of a 12-day chick. (After v. Kupffer.) C, Central canal, d. H., Dorsal horn of the gray matter. Ep., Ependyma. N. H., Nucleus of Hoffmann, s. d., Dorsal fissure, s. v., Ventral fissure, v. H., Ventral horn of the gray matter. The development of the so-called dorsal and ventral fissures is essentially different. The entire ventral longitudinal fissure of the cord owes its origin to growth of the ventral columns
RMPG3KEP–. The horse in health and disease : a text-book pertaining to veterinary science for agricultural students . Horses; Horses. 122 THE HORSE IN HEALTH AND DISEASE certain portions of the nasal cavity and has to do with the special sense of smell. The second or optic nerve furnishes the eyes and has to do with the special sense of sight. The third or oculomotor nerve supplies all except two of the muscles of the eyeball with motor power.. Fig. 41.—Cross-section of spinal cord: 1, Dorsal column; 2, lateral column; 3, ventral column; 4, dorsal horn; 5, ventral horn; 6, 7, commissures; 8, central ca
RMPFA7KM–. The development of the chick : an introduction to embryology. Embryology; Chickens -- Embryos. ll' £.K :â â %. Fig. 146. â Transverse section through the cervical swelling of the spinal cord of a 12-clay chick. (After v. Kupffer.) C, Central canal, d. H., Dorsal horn of the gray matter. Ep., Ependyma. N. H., Nucleus of Hoffmann, s. d., Dorsal fissure. s. v., Ventral fissure."- v. H., Ventral horn of the gray matter. The development of the so-called dorsal and ventral fissures is essentially different. The entire ventral longitudinal fissure of the cord owes its origin to growth of the
RMPG3N3P–. A manual of zoology. Zoology. 500 CHORDATA is possible (to a less extent in Fliascolarctos and Halinalurus). In Dasyu- riis there is a similar connection of the yolk sac. Yet the vessels do not extend with the villi into the uterine tissues as is the case with the placenta of all Placentalia. In all there is insufficient nourishment aird the yourg are very immature when horn. They are therefore carried a long time 1 y the mother in the marsuplum, a pouch formed by a fold of skin on the posterior ventral surface, into which the nij)ples open. The ventral surface is supported by the marsupial
RMPG3GR9–. An illustrated descriptive catalogue of the coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana : with bibliography and descriptions of new species . Beetles. THE LEAF BEETI.bS. 1213 by a longitudinal one; first ventral segment as long as the next three; hind tibLi? obliquely truncate and with a small spur. Six of the seven species recognized by Horn have been taken in the State. KEY TO INDIANA SPECIES OF CKEPIDODEKA. a. Form oblong-oval or elongate. 6. Head and thorax yellow, elytra blue; thorax and prosternum smooth. 2243. EtTFIPES. bb. Head and thorax of same c
RMPFM9T1–. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. CEPHALOPODA. 521 which are concave externally and perfo- rated by a marginal and ventral siphon. Genus BELEMNITES, Lamarck.* Fam. 3. SEPIAD&, Cuttle-fishes. Animal, body oblong, depressed, with two narrow lateral tins extending its whole length. Shell, internal, lodged in a sac in the back part of the mantle, composed of an ex- ternal calcareous apex or mucro, of a succession of calcareous laminae with intervening spaces filled with air, and supported by columns, but not perfo- rated by a siphon, and an internal horn
RMPG2MME–. The diseases of the genital organs of domestic animals. Veterinary medicine. Puerperal Diseases of the Uterus 541. PiQ 177—Old Hematoma of Right Uterine Horn. a. Viewer! from above. /, Hematoma ; 2, left cornu apparently healthy ; 3, section through left ovary showing corpus luteuni. b. Ventral surface. 4, longitudinal section through righi horn ; 5, cross section through right horn, showing hematoma ; 6, section through normal left horn.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of
RMPFYH0J–. Fresh-water biology. Freshwater biology. 0.1 MM. Like faviformis in having deep polygonal cuticular cells; but distinguished by the de- velopment of an extraordinary and complex system of thin cuticular ridges, which extend far beyond the ordinary cells. A long horn extends laterally from the middle dorsal region of each valve, from which radiate some of the ridges. $ unknown. Color yellow. Length, 9 , to 0.7 mm. Maine, New Hampshire, and New Jersey. Fig. 1149. Chydorns bicornutus. (After Doolittle.) 216 (214, 215) Shell of ordinary type 217 217(225) Ventral edge of keel of labrum smooth 218
RMPFXTA1–. Cunningham's Text-book of anatomy. Anatomy. Anterior cardinal vein Bulbus cordis Atrio-ventricular canal Sinus venosus. Ventricle Fig 827.â Ventral View of a Model of the Heart of a Human Embryo 2-5 mm. long. (Meyer's collection. Modelled by Professor P. Thompson.) .Anterior cardinal vein Right horn of sinus venosus sinu^v^no^ ! Intermediate part of sinus venosus Ventricle Fig. 828.âDorsal View of a Model of the Heart of a Human Embryo 2-5 mm. long. (Meyer's collection. Modelled by Professor P. Thompson.) o o^ â¢fa, tbP rieht and left ventricles of the adult heart; and the truncus arteriosus
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