B 



Osi 



ANG 



Puclb ^___ 



FIG. 352. URINOGENITAL ORGANS OF Pi'otop/erii* annerltn*. A, FEMALE ; B, 

 YOUNG MALE. (After W. N. Parker, modified after J. Graham Kerr.) The 

 peritoneum (Per) is removed on the right side in A, and on the left in B. 



In both figure.* : Cp, postcaval vein, connected by transverse anastomoses (ans) 

 with the left posterior cardinal vein (V.card) ; /</, ft/, lympathic tissue in 

 connection with the kidneys ; NG, mesonephric duct ; j\ r , JN 71 , kidneys ; 

 Out, crelomic aperture of Miillerian duct ; Poab, abdominal pore ; lie, 

 rectum ; RD, cloacal caecum. The veins from the gonads are also indicated. 



In A ANG, apertures of kidney ducts into the cloaca (CI) ; Or, Or 1 , ovaries ; 

 onl, onl', oviducts ; Pap, genital papilla in the cloaca formed by the fusion 

 of the base of the Miillerian ducts. 



In B : P<(j>, urinogenital papilla ; Nod, testes, with their investment of 

 lymphoid and adipose tissue (LG) ; Hod.G, vesicular portion of testis, which 

 unites with its fellow posteriorly, dorsal to which point the posterior ends 

 of the kidneys (epididymes) are also fused together, and are not deeply 

 pigmented, like the rest of the kidney ; MG, Miillerian duct. 



