. Diseases of the nervous system : for the general practitioner and student. us. On the postero-internal portion of the same surface there isthe trigonum habenulse. The external margin is separated from theadjacent caudate nucleus by a linear white substance (taenia semicir-cularis). THE CENTRAL NERVOUS SYSTEM 25 The lower surface is adherent to the cerebral peduncles. The outer surface is in connection with the internal capsule andcaudate nucleus. The inner surface forms the walls of the third ventricle; in its anteriorhalf it is united with that of the opposite side by a gray commissure. The
. Diseases of the nervous system : for the general practitioner and student. us. On the postero-internal portion of the same surface there isthe trigonum habenulse. The external margin is separated from theadjacent caudate nucleus by a linear white substance (taenia semicir-cularis). THE CENTRAL NERVOUS SYSTEM 25 The lower surface is adherent to the cerebral peduncles. The outer surface is in connection with the internal capsule andcaudate nucleus. The inner surface forms the walls of the third ventricle; in its anteriorhalf it is united with that of the opposite side by a gray commissure. The Geniculate bodies lie close to the Thalami. The external gen- ANTERIOR CORNU OF LATERAL VENTRICLE FIFTH VENTRICLE SEPTUMPELLUCIDUM COLUMNS OFFORNIX STRIA TER3IINALIS ANTERIOR C03I3IISSURE THIRD VENTRICLE MASS A INTER-MEDIA (Middlecommissure)CHORIOIDALSULCUS SUPERIORCOLLICULUSMEDIAL GENIC-ULATE BODY LATERAL SULCUS OFMESENCEPHA L ONPONS STRIA ACUSTICA MEDIAN SULCUS TRIG0NU3I HYP0OL0SSIRESTIFORM BODY CLAVAPOSTERIOR FISSURE POSTERO-INTERMEDIA TESULCUS POSTERO-LA TERAL SULCUS. CORPUS CALLOSUM NUCLEUSCA UDA TUS FORAMEN INTER-VENTRICULARS(Monroi) ANTERIOR TUBERCLE OF THALA-31 US STRIA MEDUL-LARS THALA31I HABENULAR C03I-3IISSURE EPIPHYSIS SULCUS CORP. QUAD. 31 EDI A LIS INFERIORCOLLICULUS FRENULUM VELI LINGULACEREBELLI FACIAL E3IINENCE AREA ACUSTICA TRIG0NU3I VAGI TUBER CUL U3I CUNEA TU31FUNICULUS GRACILISFUNICULUS CUNEA TUSLATERAL FUNICULUS Fig. 21.—Dorsal Surface of Diencephalon with Adjacent Structures (Morris, after Obersteiner.) iculate body is closely attached to the posterior extremity or base of theThalamus (pulvinar) and through the anterior brachium is connectedwith the anterior quadrigeminal body (Fig. 21). Third Ventricle.—It is a single cavity situated between the opticthalami, beneath the fornix. The floor is represented from the anterior 2 6 THE CENTRAL NERVOUS SYSTEM angle backward by the posterior perforated space, mammillary bodies,tuber cinereum, optic chiasma.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectnervous, bookyear1913
