204 



STUDENTS HISTOLOGY 



SECTION OF THE ADULT HUMAN OVARY 



OBSERVE : (Fig. 1 28) 



(L.) 



1. The tunica albuginea. (Note that 'the layer is not of uni- 

 form thickness, and is composed largely of spindle-shaped cells, as 



PIG. 128. SECTION OP AN OVARY FROM A WOMAN 35 YEARS OLD. STAINED WITH 



H^EMATOXYLIN AND EOSIN (X250). 



A. Surface of the ovary. 



B. Stroma. 



C. Large, tortuous, thick-walled arteries of the central portion of the organ. 



D. D. Small Graafian follicles of the superficial zone. 



E. Larger follicles of the deeper portion. 



F. Membrana propria of a Graafian follicle. 



G. Membraua granulosa of the follicle. The line leads to the discus proligerus. 

 H. An ovum. 



I. Germinal vesicle. 



J. Germinal spot. 



K. An old corpus luteum. 



shown by the numerous elongated nuclei. Search particularly for 

 and note the character of the epithelial covering.) 



2. The cortical layer, containing numerous Graafian follicles, 

 and possibly a corpus luteum. (Note the aggregation of the 

 smaller follicles in the extreme outer portion of the region.) 



