GANGLIONAR GRAY MATTER. 



209 



b. 



hh 



Fig. 66.' Transverse section of the brain in the line of the pyramidal tracts, show- 

 ing basal ganglia, internal capsules, corpus callosum, lateral and third ventric- 

 les, etc. Viewed from front. (Morris's Anatomy after Toldt.) 



a. Longitudinal fissure, b. Radiation of corpus callosum. c. Septum pellucidum. d. 

 Chorioid plexus of lateral ventricle, e. Corona radiata. f. Column of fornix. g. Chorioid 

 plexus of third ventricle, h. Internal capsule, i. Thalamus. j. Third ventricle, k. Inter- 

 peduncular fossa. 1. Inferior horn of lateral ventricle, m. Cerebral peduncle, n. Brachium 

 pontis. o. Longitudinal pyramidal fasciculi of pons. p. Cerebellum, q. Deep fibers of 

 pons. r. Pyramid, s. Superior frontal gyrus. t. Body of corpus callosum. u. Anterior 

 horn of lateral ventricle, v. Head of caudate nucleus, w. Radiation of corpus striatum. 

 x. Putamen. y. External capsule, z. Insula. aa. Claustrum. bb. Globus pallidus. cc. 

 Optic tract, dd. Corpus mammillare. ee. Oculo-motor nerve, ff. Trigeminal nerve, gg. 

 Facial and acoustic nerves, hh. Flocculus, ii. Glossopharyngeal nerve, jj. Vagus nerve. 

 kk. Inferior olivary nucleus. 11. Decussation of pyramids. 



