THE INTERNAL CONFIGURATION OF THE CEREBRAL HEMISPHERES 



2 55 



Nucleus caudatus 

 (Caput) 



Capsula interna^ 

 (Pars frontalis 



_. Fissura longitudinalis 



cerebri 

 f . Corpus callosum 



Cornu anterius 

 ventriculi 

 laterlais 

 [_,. Plexus chorio- 

 ideus ventriculi 

 lateral!* 



^JC-^ Septum pellu- 

 cidum 



Foramen inter-- 

 ventriculare 



(Monroi) 

 Substantia per- 

 forata anterior' 



Uncus'' 



- Fissura cerebri 

 lateralis(Sylvii) 



insulae 



ssus opti- 

 cus ventriculi 



tertii 

 "~ Tractus opticus 



Chiasma opti- 

 -- cum (posterior 

 part; 



^ Commissura inferior 

 (Citddeni) 



Fig. 187. Frontal section of the human brain through the anterior commissure. (Toldt.) 



Ventriculus lateralis x 



(Pars centralis) 

 Plexus chorioideus, 

 ventriculi lateralis ~ 



Nucleus 



caudatus""^--^ 

 Massa inter-, 

 media 



Capsula interna 



Putamen~ 

 Nucleu 

 lenti- 

 formis 



pallidus 

 Capsula externa.. 



Claustrum.^^ 

 Ansa peduncu- 



laris 



Tractus opticus- ~ 

 Pedunculus. tha-^-^' 



lami inferior 



Cornu inferius ve: 



triculi lateralis 



Digitationes# 

 hippocampi 



N. oculomotorius 



Ansa lenticularis 





j*if_. Nucleus hypo- 

 5, thalamicus 

 I (Corpus Luysi) 



Substantia 



nigra 

 Basis pedunculi 



Corpus 

 ~~-~.mamillare 



Fossa inter- 

 - peduncularis 



-Pens (Varoli) 



Fig. 188. Frontal section of the human brain through the mammillary bodies. (Toldt.) 



The putamen is larger than the globus pallidus and is encountered alone in 

 frontal sections through either the rostral or caudal extremities of the corpus 

 striatum (Fig. 189), and also in horizontal sections above the level of the globus 



