Human anatomy, including structure and development and practical considerations . laris (page 1162), which accompanies the recurvednuclear tail in its descent within the roof of the inferior horn. The nucleusapproaches, if indeed it does not touch, the anterior perforated sul)stance, and abovecomes into intimate relations with the lenticular nucleus. It is highly probable thatthe nucleus amygdalae forms, along with the uncus and the hippocampus, a partof the olfactory (Dejerine). THE TELENCEPHALON. 1173 The Internal Capsule.—Repeated mention has been made of the importanttnct of white
Human anatomy, including structure and development and practical considerations . laris (page 1162), which accompanies the recurvednuclear tail in its descent within the roof of the inferior horn. The nucleusapproaches, if indeed it does not touch, the anterior perforated sul)stance, and abovecomes into intimate relations with the lenticular nucleus. It is highly probable thatthe nucleus amygdalae forms, along with the uncus and the hippocampus, a partof the olfactory (Dejerine). THE TELENCEPHALON. 1173 The Internal Capsule.—Repeated mention has been made of the importanttnct of white matter l)cariiii; the name of internal capsule (capsula interna;; itsdescription, therefore, may be appropriately undertaken at this place. It is a broad,compact band of nerve-t^brcs which passes between the three lar^^e basaU^angha,namely the caudate and the lenticular nuclei and the thalamus. Althout^di the detailsof the internal capsule \arv w ith diilcrencc-s both of direction and (jf position of the Fig. 1011. Lateral veiitrkli Spleniuof corpuscallosuin Corpus callosuin. Choroidplexus ininferiorhorn oflateralventricle Calcarine fissure Horizontal sections of brain A at higher level than 5. which passes through lower part of corpus striatum whereuda^fa^ld fenUcular nuc^eiare ; relations of limbsof internal capsuleto internal nucle. seen on nght side. planes of section, its general relation to these three masses of gray matter is con-stant the caudate nucleus and the thalamus ahvays lying to its inner side and thelenticular nucleus to its outer aspect. When exposed by frontal sections passingthrough the anterior part of the lateral ventricles (Fig. loio), the internal capsuleappears as a broad, oblique stripe, extending from above downward and inward,bounded by the large caudate nucleus mesially, the lenticular nucleus laterally,and below by the gray substance establishing continuity between the two nuclei. 1174 HUMAN ANAT()M^? Seen in frontal sections passinjj^
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