. A treatise on nervous diseases : their symptoms and treatment : a text-book for students and practitioners. brain. ccl^ corpus callosum; c», caudate nucleus; fv, fifth ventricle; cZ, claustrum; i,island of Eeil; cf^ crura of the fornix, which, turning upon themselves, form thecorpora albicantia; ec, external capsule; tv^ third ventricle ; tTi, optic thalamus;cge, external corpus geniculatum; cn\ the lower part of caudate nucle^os; pv^ pul-vinar ; cq, corpora quadrigemina ; cgi^ internal corpus geniculatum; i, ii, iii, thethree divisions of lenticular nucleus (on the left only two divisions a
. A treatise on nervous diseases : their symptoms and treatment : a text-book for students and practitioners. brain. ccl^ corpus callosum; c», caudate nucleus; fv, fifth ventricle; cZ, claustrum; i,island of Eeil; cf^ crura of the fornix, which, turning upon themselves, form thecorpora albicantia; ec, external capsule; tv^ third ventricle ; tTi, optic thalamus;cge, external corpus geniculatum; cn\ the lower part of caudate nucle^os; pv^ pul-vinar ; cq, corpora quadrigemina ; cgi^ internal corpus geniculatum; i, ii, iii, thethree divisions of lenticular nucleus (on the left only two divisions are seen); aic,Mc, pic, the anterior limb, knee, and posterior limb of the internal capsule. The following diagrams, in some respects slightlymodified from Wernicke, will help to an understand-ing of the course of the most important bundles offibers, and the relations of the ganglia. ANATOMY. 23 Charcot lias shown that only a part of the fibers ofthe internal capsule passes beyond the pons. The cap-sule is divided into an anterior and a posterior limb,the angle formed by the two being called the knee of. Fig. 6.—Diagram of a perpendicular section of the brain, showing the internalcapsule and its relations. gf, gyrus fornicatas; cc, corpus callosum; v, ventricle; /, fornix ; nc, caudatenucleus; th, optic thalamus ; ci, internal capsule, upper (anterior) limb; ^, pedun-cle ; ci\ internal capsule, lower (posterior) limb ; nc., lower part of caudate nucleus J0, optic tract; gh, gyrus hippocampus; i, island of Keil; d, claustrum; nl, len-ticular nucleus. the capsule. The fibers from the anterior limb passthrough the inner portion of the basis cruris. Whena lesion implicates only these, the descending degener- 24 DISEASES OF THE BRAIN. ation can be traced as far as the pons,, but not portion of the fibers of the basis which arises from
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectnervoussystem, bookye
