54 OUTLINES OF ANATOMY. 



Optic thalami. 



Anterior tubercle. 



Posterior tubercle, or pulvinar. 



Superior surface. 



Sulcus choroideus. 



Stria pinealis, or peduncle of the pineal body. 

 Trigonum habenulae. 

 Internal surface. 



Middle or gray commissure. 

 External surface. 

 Inferior surface. 



Antero-superior, external and internal nuclei. 

 Ansa lenticularis. 



The pineal body. 

 Stalk. 

 Peduncle or stria pinealis. 



Recussus pinealis. 



Posterior commissure. 



Basal gray commissure. 



Posterior perforated space. Foramen caecum anterius. 



Corpora albicantia. Bundle Vicq d'Azyr. 



Tuber cinereum. Infundibulum. Recessus infundibuli. 



Pituitary body, or hypophysis cerebri. 



Anterior lobe. Posterior lobe. 

 Pituitary gland. Pituita. 



Optic commissure. 

 Lamina cinearea. 



Dissection. 



The Mesencephalon, 749-50-1-2-3. (733-4-5-6) 



Aqueduct of Sylvius, or iter e tertio ad quartus ventriculorum. 

 Lamina quadrigemina. Corpora quadrigemina. 



Gray matter of the aqueduct. 



Nucleus of the third and fourth nerves. 



Nucleus of the descending root of the fifth nerve. 



Corpora quadrigemina. 



Nates. Testes. Frenulum veli. 

 Nates. Brachia of the nates. 



Testes. Brachia of the testes, or inferior brachia. 

 Corpus geniculatum internum. 

 Corpus geniculatum externum. 

 Crura cerebri : 



(1) Tegmen. 



(2) Substantia nigra. 



(3) Crusta. 



Oculo-motor and lateral grooves. Fillet. 

 The crusta, or pes. 



Dissection. 



Crusta : Central third. 

 Outer third. 

 Inner third. 



Tegmental portions. Subthalamic body. 

 Tegmental or red nucleus. 

 Superior cerebellar peduncle. 

 Fillet. 

 Posterior longitudinal bundle. 



