The anatomy of the nervous system, from the standpoint of development and function . from the putamen by a thin lamina of white matter,known as the external capsule. By some authorities the claustrum is thoughtto be a detached portion of the lentiform nucleus, while others believe that itha- been split off from the insular cortex. It is probable that neither of theseviews is strictly correct. However, according to the recent work of Elliot [HE INTERNAL CONFIGURATION OP nil CEREBRA1 II MISPHERES 257 Smith (1919), the claustrum, putamen, amygdaloid nucleus, and the greaterpart of the caudate nuc


The anatomy of the nervous system, from the standpoint of development and function . from the putamen by a thin lamina of white matter,known as the external capsule. By some authorities the claustrum is thoughtto be a detached portion of the lentiform nucleus, while others believe that itha- been split off from the insular cortex. It is probable that neither of theseviews is strictly correct. However, according to the recent work of Elliot [HE INTERNAL CONFIGURATION OP nil CEREBRA1 II MISPHERES 257 Smith (1919), the claustrum, putamen, amygdaloid nucleus, and the greaterpart of the caudate nucleus are pallia! derivatives and arc closelj related morphologicaUy to the neopallium; while the globus pallidus is the representative in the mammalian brain i)\ the Corpus Striatum of lower forms, a- seen in theshark (Fig. 9). The Amygdaloid Nucleus. In the roof of the terminal part of the inferiorventricular horn, at the point where the tail of the caudate nucleus ends, there is located a small mass of gray matter, known as the amygdaloid nucleus (Fig. Radiatio corporiscallosi. Hippocampus Corpora quadrigemina ?Nucleuscolliculi.^inferioris Aquaeductus____cerebri Nucleus n trochlearisFasciculuslongitudinalismedialis pontis -- Flocculus-—Pyramis medullae oblongatae Splenium cor-poris callosi Tela chorio- idea ven-triculi tcrtiiCorpus- pineale < ornu poste- .- riiis-ventri- culi lateralis Glomus . - \ chorioideum - Tapetum Radiatio occi-pitothalamica-- Eminentiacollatcralis Fissuracollateralis Lemniscus lateralis-Brachium con- junctivum-Stratum griseumcentrale--Lemniscus medialis - N. vagus Fig. 190.—Frontal section of the human brain through the splenium of the corpus callosum. Viewinto the posterior horn of the lateral ventricle. (Toldt.) 185). It is continuous with the cerebral cortex of the temporal lobe lateral tothe anterior perforated substance (Fig. 198; Landau. 1919). The external capsule is a thin lamina of white matter separating the claus-


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectnervoussystem, bookye