The anatomy of the nervous system, from the standpoint of development and function . Telencephalon -Vagus nerve N. cord-—. *\-Tkird ventricle) Diencephalon MesoceeleV Mesencephalon I VMetaccele / Metencephalon Cerebellum(caudal part) Rhomboid fossaMyelencephalon Fig. 8.—The brain of the dogfish,Squalus acanthias, dorsal view. Fig. 9.—The brain of the dogfish,Squalus acanthias, with the ventriclesopened, dorsal view. (Fig. 8). Its dorsal surface is grooved by a pair of sulci arranged in the formof a cross. It contains a cavity, a part of the original rhombencephalic vesicle,which com
The anatomy of the nervous system, from the standpoint of development and function . Telencephalon -Vagus nerve N. cord-—. *\-Tkird ventricle) Diencephalon MesoceeleV Mesencephalon I VMetaccele / Metencephalon Cerebellum(caudal part) Rhomboid fossaMyelencephalon Fig. 8.—The brain of the dogfish,Squalus acanthias, dorsal view. Fig. 9.—The brain of the dogfish,Squalus acanthias, with the ventriclesopened, dorsal view. (Fig. 8). Its dorsal surface is grooved by a pair of sulci arranged in the formof a cross. It contains a cavity, a part of the original rhombencephalic vesicle,which communicates with the fourth ventricle proper through a rather wickopening (Fig. 11). Behind the cerebellum the fourth ventricle possesses a thinmembranous roof which was torn away in the preparation from which Fig. 8was drawn. 28 THE NERVOUS SYSTEM Mesencephalon.—The optic lobes on the dorsal aspect of the mesencephalonare a pair of rounded masses separated by a median sagittal sulcus. Theyrepresent the bulging roof of the mesencephalic cavity and are accordingly Cerebellum Optic lobeI Thalamus ; Cerebral hemisphere KALEVIM
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectnervoussystem, bookye
