THE HUMAN PROSTATE GLAND 



325 



two weeks and older. In this prostate there are eight small 

 branching tubules communicating with the anterior urethral wall. 

 They are surrounded by muscular layers similar to the other pros- 

 tatic tubules and are quite limited in their extent and widely 

 separated from the lateral lobes. 



Below the apex of the prostate there are noted a large number of 

 glands, most of which are simple tubules, extending into the sub- 



(/friculus Proslalicus 



Ejaculafory 

 Duels 



Lafera! Lobe 



Posterior Lobe 

 Fig. 7 27 cm. human fetus. Seven and one-half months. X 14. 



mucous tissue their ducts opening into the urethra. They are 

 found on all sides of its lumen but most of them open on the ven- 

 tral wall. They extend barely to the muscular bundles and none 

 of them are found within the musculature. 



The seminal vesicles have grown back behind the base of the 

 bladder to a point opposite the middle of the trigonum vesicae. 

 They are made up of thick walled tortuous connected tubes which 



