43 



THE BRAIN 



is readily understood when a cast of the cavity is examined 

 (Fig. 165). It is composed of a central part (O.T. body) 



Caudate nucleus 



Putamen \ 

 Anterior commissure 



Inferior cornu of 

 lateral ventricle 



Pes hippocampi 

 Hippocampus 



Chorioid / ^ 

 plexus ' 



Fimbria' 



Posterior collateral; 

 eminence 

 Posterior cornu 



Genu of corpus 

 callosum 



Septum 

 pellucidum 

 Cavum sep. pel!. 

 Caudate nucleus 



Foramen 

 interventriculare 



Stria terminalis 



Thalamus 

 Fornix 



Medial longi 

 """ tudinal stria 



Calcartavis 



Forceps major 



FiG. 166. Dissection to show the Posterior and Inferior Cornua of the 

 Lateral Ventricle on the left side. 



and three horns, viz., an anterior, a posterior, and an inferior 

 horn. The anterior horn is that part of the cavity which 

 lies anterior to the interventricular foramen. The central 



