REPRODUCTIVE SYSTEM OF THE FEMALE 



63 



The anterior opening of the oviduct is the ostium tubae abdominale, a 



funnel-shaped aperture generally referred to as the infundibulum. In the 

 transport of the egg from the ovary to the oviduct the infundibulum, in 

 many species, actually engulfs and swallows the egg. 



The portion of the oviduct anterior to the uterus often is called the con- 

 voluted glandular part; it is highly twisted and convoluted in many species. 

 In amphibians, reptiles, birds, and in some mammals the glandular portion 



OUTH OF 

 VI DUCT 



OVIDUCT 



OOCYTE 



VI DUG T 



E CTUM 



I NFUND I B U L U M, 

 OVIDUCT- 



URINARY 



OVARY 



BLO OD URETHRA 



S UPPLY 



-MEDIAN PORTION OF 



LATERAL VAGINAL 



CANAL 



UROGENITAL SINUS 



Fig. 33 



Fig. 34 



Fig. 33. Diagrammatic representation of the reproductive structures of female urodele, 



Nectiirus maculosus. 



Fig. 34. Diagrammatic lateral view of female reproductive system of the opossum, 

 showing pseudo-vaginal birth canal. 



