. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. 490 COMPARATIVE PHYSIOLOGY. even distinction in the intellectual world; and though idiots have been known to possess brains abnormally heavy, it is. Fig. 350. Fig. 349.—Outer surface of brain of horse (after Solly and Leuret). e, olfactory lobe; h, Mppocampal lobe (processus pyriformis); 1,2,3, lobes of cerebellum; o, optic nerve; m, motor oculi; p, fourth nerve; t, fifth nerve; «, sixth nerve; /, facial; I, auditory; g, glosso-pharyngeal; v, vagus; *, s'pinal a
. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. 490 COMPARATIVE PHYSIOLOGY. even distinction in the intellectual world; and though idiots have been known to possess brains abnormally heavy, it is. Fig. 350. Fig. 349.—Outer surface of brain of horse (after Solly and Leuret). e, olfactory lobe; h, Mppocampal lobe (processus pyriformis); 1,2,3, lobes of cerebellum; o, optic nerve; m, motor oculi; p, fourth nerve; t, fifth nerve; «, sixth nerve; /, facial; I, auditory; g, glosso-pharyngeal; v, vagus; *, s'pinal accessory; re, hypoglossal; X, pons Varolii. Fig. 350.—Longitudinal section through center of brain of horse, presenting view of internal surface (after Solly and Leuret). , corpus callosum; p, thalamus; CO, middle commissure; t. q, corpora quadrigemina, in front of which is the pineal body. The cerebellum has been cut through. nevertheless true that brain-weight and the higher powers of man bear a close though not invariable relationship. The apparent discrepancies are susceptible of explanation. Besides the gray matter, with its cells of highest functional value from the standpoint now taken, the brain consists, and in large part, of neuroglia and nerve-fibers, with probably ohieflyj and in the case of the fibers solely, a conducting func- 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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