The anatomy of the nervous system, from the standpoint of development and function . is separated from its fellow by a wide interval, in which the 214 THE NERVOUS SYSTEM corpora quadrigemina appear. It forms a marked projection, the pulvinar,which overhangs the medial geniculate body and the brachia of the corporaquadrigemina (Figs. 88, 154). For purposes of description it is convenient torecognize four thalamic surfaces, namely, dorsal, ventral, medial, and lateral. The dorsal surface of the thalamus is free (Figs. 91, 154). It forms thefloor of the transverse fissure of the cerebrum and is s
The anatomy of the nervous system, from the standpoint of development and function . is separated from its fellow by a wide interval, in which the 214 THE NERVOUS SYSTEM corpora quadrigemina appear. It forms a marked projection, the pulvinar,which overhangs the medial geniculate body and the brachia of the corporaquadrigemina (Figs. 88, 154). For purposes of description it is convenient torecognize four thalamic surfaces, namely, dorsal, ventral, medial, and lateral. The dorsal surface of the thalamus is free (Figs. 91, 154). It forms thefloor of the transverse fissure of the cerebrum and is separated by this fissurefrom the parts of the cerebral hemisphere which overlie it, that is, from the Free portions of columns of of caudate nucleus^Medullary stria, s •Third ventricle > Habenular trigone v \ Pineal body~jSuperior colliculus\] Tail of caudate nucleus- Super, quadrigeminal , quadrigeminal peduncleCorpora quadrigeminaLateral filaments of ponsAnterior medullary velum Lingula of cerebellum Tela chorioidea of fourth ventricle. Corpus callosum Lamina of septum pdlucidum/ Columns of fornix y A ntcrior commissure y Optic recess of ventricle III ? •« - A ntcrior tubercle of thalamus y Terminal stria s ^,Tcenia chorioidea ? Habenular commissureLamina affixaSuperior quadrigeminalbrachium .-Pulvinar of thalamus ^Lateral geniculate body Medial geniculate bodyInferior colliculusTrochlear conjuctivum Lateral recess of fourth ventricle Brachium of flocculus Flocculus of cerebellum Lateral aperture of ventricle IViChorioid plexus of ventricle IV(Rhomboid fossa (intermediate portion)Medial aperture of ventricle IV Funiculus gracilis Medulla oblongataFig. 154.—Dorsal view of the human brain stem. (Sobotta-McMurrich.) fornix and corpus callosum. Laterally it is bounded by a groove, which separatesit from the caudate nucleus and contains a strand of longitudinal fibers, thestria terminalis and a vein, th
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectnervoussystem, bookye
