232 



THE DISEASES OF THE HYPOPHYSIS 



chiasm; V.L. = anterior lobe; 

 lations of squamous epithelium; 



H.L. = posterior lobe; Pl.eh. = accumu- 

 R.C. = Rathke's cyst; F = process; E = 

 terminal enlargement of process; r.i. 

 = recessus infundibuli; /. = infun- 

 dibulum; D. = dura; D = dia- 

 phragma sellae; A. = arachnoid. 



The anterior lobe is supplied by 

 small branches of the internal car- 

 otid artery, the posterior lobe by ves- 

 sels of the pia. The veins end in the 

 sinus circulosus Ridleyi. Anterior 

 and posterior lobes are surrounded 

 by a capsule of the dura mater, which 

 capsule overhangs the entrance to 

 the sellae in the form of a diaphragm 

 that is perforated by the infundibular 

 peduncle. 



The anterior lobe for the most part consists in epithelial columns. Here 

 are found chromophilic cells in which Benda by the employment of a specific 

 stain has demonstrated eosinophilic and basophilic granules. Here are also 



h. 



R.C. 



v. 



J). 



FIG. 30. Diagram of the structure of the hy- 

 pophysis (after Erdheim). 



c. c. 



B. C. 



E.G. 



FIG. 31. Anterior lobe of the hypophysis. .C. = eosinophile cells. 5.C. = basophile cells. 



C.C. = chief cells. 



