THE GENITAL GLANDS AND DUCTS — INDIFFERENT STAGE 



209 



Mesencephalon 



■Prosencephalon 



Rhombencephalon 



Right lung 



Mesonephric fold 



Lower extremity- 



Genital eminence 



Fig. 220. — Ventral view of the urogenital folds in a human embryo of 9 mm. (KoUmann). 



Lateral body wall 



Post, cardinal vein 



Suprarenal gland 



Glomerulus 



Mesonephric duct 



Inner epithelial mass of genital 



Epithelium of genital 



'^i:ii'^~ \*V!V^-v'';t:'"-;5;".':;<''' 



■••iSi':iv^';;v;-::-;'-.';;"..'-:,'! 



Mesentery i^v-.i'/.'* !•'■'-.•-'"!■ 



Fig. 221. — ^Transverse section through the mesonephros, genital gland and suprarenal gland of the right 

 side; from a 12 mm. human embryo. X 165. 



14 



