Human anatomy, including structure and development and practical considerations . ns backward and continues its coursebeneath the lenticular nucleus, where it appears in frontal sections as a transversely 75 ii86 HUMAN ANATOMY. cut oval bundle until, farther backward, it bends abruptly downward to disappearin the white matter of the temporal lobe, to the outer side of the inferior horn ofthe lateral ventricle, preparatory to ending- in the cortex. Tile fundamental and archaic cliaracter of the rliinencei^lialon, tliis division of the hemi-sphere ap|iearin>; in animals in which the pallium i


Human anatomy, including structure and development and practical considerations . ns backward and continues its coursebeneath the lenticular nucleus, where it appears in frontal sections as a transversely 75 ii86 HUMAN ANATOMY. cut oval bundle until, farther backward, it bends abruptly downward to disappearin the white matter of the temporal lobe, to the outer side of the inferior horn ofthe lateral ventricle, preparatory to ending- in the cortex. Tile fundamental and archaic cliaracter of the rliinencei^lialon, tliis division of the hemi-sphere ap|iearin>; in animals in which the pallium is only feebly develojjed, early led to theestablishment of a sjK-cial connection between the olfactory lobes of the two sides. When tothis necessity was added that of linkinj^ the fore-|)arts of the temporal lobes, which areto a considerable dej::ree isolated, the establishment of a commissure supplementary to thecorpus callosum was elTected. Fig. 1025. Corpus callosum Lateral ventricle Septum luciduiu Anterior end of fornix, cut Foramen of Monro Anterior pillars of. Caudate nucleus Striate or terminalvein Internal capsule Tlialamus, anteriornucleus Lenticular nucleus,putaniau ClanstrnmGlobus pallidus Anterior commissure Olfactorj strands Krontal section of brain passing through anterior commissure. The hippocampal commissure connects the two hippocampi by means offibres which cross in the psalterium (])at^e 1158), in addition, some fibres thus under-going decussation join the longitudinal strands of the fornix and proceed towards thethalamus. The Projection Fibres. — These fibres connect the cortex of the cerebralhemisphere with the lower lying parts of the brain — the thalamus, the corpusstriatum, the tegmental region, the pons and the inedulla — and the spinal , as they do, from all parts of the extended cortical area towards nucleigrouped within the compass of a relatively small space, the fibres, for the most part,at first curve toward their


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Keywords: ., bookauthormc, bookcentury1900, bookdecade1910, booksubjectanatomy