TIIK oia;.\N- OF inr. 







an epithelial cord. <!.\SSKI: indr-e 1 oh->erved a nidim-M il of 



i Table e\tellt a1 t IP 



male child. Certain 

 rudiments ot t lie ter 

 minal portion-., on 

 the contrary, are pre 



served even in the 



adult individual, and 

 in descriptive anato 

 lilies are called nl, rus 



(nut} and 



ferem in a reoeni i 





The posterior ter- 

 minal parts of the 

 two Miillerian ducts, 

 which lie close to- 

 gether enclosed in 

 nital cord, are 

 modified into the 

 utemis w.iMi'tiiHifi 

 dun ). Owing to the 

 disappearance of the 

 partition separating 

 them, they are united 

 into a single small 

 sac, which is situated 

 between the openings 

 of the two vasa de- 

 ferent ia at the pro- 

 stata and therefore 

 still hears the name 

 of sinus pro-taticus. 

 Kxtraordinarily in- 

 conspicuous in Man. 

 it acquires in many 

 ^Mammals, in < 

 vores and lluminant> 



gk 



hr 



Fig. 222. Diagram to illustrate the development of the male 

 sexual organs of a Mammal from the indifferent funda- 

 ment of the urogenital system, which it diagrammatic ally 

 represented in fig. 219. 



The persistent parts of the original r 



liy .mtinu'iii- liii'--. the parts which undergo degeneration 

 by dot ted lii. ,'loyed to show 



the portion which the inalo sexual organs take a: 

 completion of the descensua testiculorum. 



n, Kidney: fc, tettfe; , I'l.lnlymis ; pa, paradidymis ; hy, 

 hydatidof thecpulidjrmia;{, vas deferens ; mg, de.i.-' 

 Miillerian .1 '-ma masculintis, remnant <f the 



Miillerian ducts: gh, gubernaculuin Hnntori ; /, 

 hi', it- ulsaaeminales; 



hbl, urinary bladder ; Uld' , it- upi>er tip. \v hich i^ '-"minimus 

 with the liuanienti.- medium oirachus) ; 



hr, urethra ; ]; prostata ; dej, external orifice of the ductus 



The letters /.', h', ti indicate the position of the several organs 

 after the descent has taken place. 



(WEBER), a considerable size, and is dill'erentiate.1, as in the female. 

 into a vaginal and a uterine part. In Man it corresponds chiefly 

 to the vagina (TouuxErx). 



