THE THIRD VENTRICLE AND INTER-BRAIN. 



137 



Fig. 40. Horizontal section of cerebrum through genu and below splenium of 

 corpus callosum. Fornix and chorioid tela turned back, to show inter-brain 

 and third ventricle. (Original.) 



a. Head of caudate nucleus, b. Stria medullaris thalami (or pineal stria.) c. Chorioid 

 groove, d. Trigonum habenulae. e. Pineal body. f. Tail of caudate nucleus, g. Tapetum. 

 h. Occipito-thalamic radiation, i. Inferior longitudinal fasciculus, j. Anterior horn of 

 lateral ventricle, k. Columna of fornix. 1. Recessus triangularis. m. Anterior commissure, 

 n. Massa intermedia (or middle commissure), o. Posterior commissure, p. Superior quad - 

 rigeminal colliculus. q. Posterior horn of lateral ventricle. 



