248 



ANATOMY FOR NURSES. 



[Chap. XX 



fourths of an inch (19.0 mm.) wide, and one-third of an inch 

 (8.5 mm.) thick, and Aveigh from one to two drachms (1.8 to 

 3.5 grammes). Their function is to produce, develop, and 



Fig. 142. — Section of an Ovary. Very highly magnified. (Waldeyer.) 

 a, germ-epithelium; b, egg-tubes; c, c, small follicles; d, more advanced follicle; 

 e, discus proligerus and ovum; /, second ovum in same follicle (this occurs but 

 rarely); g, outer tunic of the fdllicle; h, inner tunic; ;', membrana granulosa; 

 k, collapsed retrograded follicle ; I, I, blood-vessels ; y, involuted portion of the 

 germ-epithelium of the surface ; z, place of the transition from peritoneal to ger- 

 minal or ovarian epithelium. 



mature the ova, and to discharge them when fully formed 

 from the ovary. 



The ovaries consist of a framework of connective and muscu- 

 lar tissue, usually called the stroma or bed of the organ ; and 

 of numerous vesicles or follicles of different sizes, called the 

 Graafian follicles. 



