640 



Lateral ventricle 



Claustrum 



Fasciculus 

 mamillothalamicus 



Putamen 



Insu 



Globus pallidus 

 Column of fornix 



Amygdaloid 

 nucleus 



THE NEEVOUS SYSTEM. 



Chorioid plexus 



Longitudinal fissure 



orpus callosum 

 Fornix 



udate nucleus 



Vena terminalis 

 Tela chorioidea 

 ventriculi tertii 

 Thalamtis 



Third ventricle 

 Chorioid plexus 

 Internal capsule 

 'nterventricnlar 

 foramen 



Column of fornix 

 Anterior commissure 

 Optic tract 



Infundibulum 

 ptic chiasma 

 Optic nerve 



Substantia perforata anterior 



Olfactory peduncle 



FIG. 569. FRONTAL SECTION THROUGH THE CEREBRUM so as to cut through the three divisions of the 

 lentiform nucleus ; posterior surface of the section shown here. 



Intersection of corona radiata 

 and callosal systems of fibres 



Corpus callosum 



Caudate nucleus 



Fornix 



Internal capsule 



Ansa lenticularis 

 Globus pallidus 



Optic tract 



Anterior commissure 

 Nucleus amygdalae 



Superior occipito-frontal 

 association bundle 



Putamen 



External capsule 



Claustrum 



Frontoparietal operculum 

 Insula 



Temporal operculum 



FIG. 570. FRONTAL SECTION THROUGH THE LEFT SIDE OF THE CEREBRUM OF, AN ORANG 



(Weigert-Pal specimen). 



The section passes through the middle of the lentiform nucleus. 



