. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. Fig. 364.âVertical longitudinal section of brain of human embryo of foarteen weeks. 1x3. (After Sharpey and Eeichert.) c, cerebral hemisphere; cc, corjjas callosnm beginning to pass back; /, foramen of Mnnro; jt, membrane over third ventricle and the pineal body; th, thalamus; 3, third ventricle; /, olfactory bulb; eq, corpora quadrigemina; cr, crura cerebri, and above them, aqueduct of Sylvius, still wide; c', cerebellum, and below it the fourth ventricle; pv,
. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. Fig. 364.âVertical longitudinal section of brain of human embryo of foarteen weeks. 1x3. (After Sharpey and Eeichert.) c, cerebral hemisphere; cc, corjjas callosnm beginning to pass back; /, foramen of Mnnro; jt, membrane over third ventricle and the pineal body; th, thalamus; 3, third ventricle; /, olfactory bulb; eq, corpora quadrigemina; cr, crura cerebri, and above them, aqueduct of Sylvius, still wide; c', cerebellum, and below it the fourth ventricle; pv, pons Varolii; m, medulla oblongata. early development becomes. It will be remembered that from that uppermost epiblastic layer of cells, so early marked off in. Fig. 365. Fig. 366. Fig. 365.âOuter surface of human foetal brain at six months, showing origin of prin- cipal fissures (after Sharpey and E. Wagner). F, frontal lobe; P, parietal; 0, occipital; r, temporal; a, a, o, faint appearance of several frontal convolutions; s, 8, Sylvan fissure; s', anterior division of same; C, central lobe of island erf Eeil; r, fissure of Kolando; â p^ external perpendicular fissure. Fig. 366.âTJpper surface of brain represented in Fig. 364 (after Sharpey and E. Wag- ner). the blastoderm, is formed the entire nervous system, including centers, nerves, and end organs. The brain may be regarded as a specially differentiated part of the anterior region of the. 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 Mills, Wesley, 1847-1915. New York, Appleton
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