VII.J 



THE MtfLLERIAN DUCT. 



217 



Fia. 71. 



a 



JW . 



Section of the Intermediate Cell-mass on the Fourth 

 Day, (From "Waldeyer.) Magnified 160 times. 



m. mesentery. L. somatopleure. a', portion of the germinal 

 epithelium from which the involution to form the duct of 

 I\Iuller iz) takes place, a. tliickened portion of the germinal 

 epithelium in which the primitive ova G and o are lying. 

 E. modified mesoblast w^hich will form the stroma of the 

 ovary. TFA'. Wolffian body. y. Wolffian duct. 



its course its growing point lies in a bay formed by the 

 outer wall of the Wolffian duct, but does not become 

 definitely attached to that duct. It seems however 

 possible that, although not actually split off from the 



