THE UROGENITAL SYSTEM 



317 



Fig. 28 1. — StereoRram of the deveLiiiinK mesonephros at a stage later than that of 

 Fig. 280. (After Kingsley modified.) 



neural tube 



notochord 



dorsal aorta 



afferent vessel 

 glomerulus 

 effefent vessel 



somite 



posterior 



cardinal vein 



collecting vein 

 connecting 

 sub-and post- 

 cardinals 



capsule 



mesonephric 



duct ,. 

 subcardinal 1 



Fig. 282. — Diagrams showing the relations of the blood vessels to a mesonephric tubule. 

 (From Patten's "Embryology of the Pig," based on figures by McCallum.) 



