THE DEVELOPMENT OF THE UROGEXITAL SYSTEM. 



425 



Kidney 



Appendage of testicle 

 (hydatid of Morgagni) 



Epididymis 



Testicle 



Paradidymis 



Deferent duct 



Mullerian duct 



Gubernaculum testis 



Ureter 



Seminal vesicle 

 Deferent duct 



Epididymis 

 Testicle 



Gubernaculum testis 



Kidney 



Hydatid 



Oviduct 

 (fimbriae) 



Epoophoron 

 Ovary 



Paroophoron 

 Mesonephric duct 



Oviduct 

 Epoophoron 



Ovary 

 Ovarian ligament 



Uterus 

 Round ligament 



Vagina 



Urethra Sinus prostaticus 



FIG. 379. 



Apex of bladder 



Bladder 



Opening of ureter 



Urethra 



Opening of ejacul. duct 



Prostate 



Apex of bladder 



Urethra 

 Vestibulum vaginae 



FIG. 380. 



FIG. 379. Diagram of the development of the male genital organs from the 



"indifferent" anlagen. Hertwig. 

 FIG. 380. Diagram of the development of the female genital organs from the 



" indifferent " anlagen. Hertwig. 

 These diagrams should be compared with Fig. 378. The dotted lines represent the organs in the 

 relative positions they occupy in the adult (with the exception of the Miillerian duct in the 

 male and the mesonephric duct in the female, which ducts disappear for the most part). 



