DISEASES OF THE GENERATIVE ORGANS 



6: 



mounted h\ a teat or nipple. The glandular tissue consists of 

 ciecal vesicles that form grape-like clusters around the milk 

 tuhules. The milk tubules from the different portions of the 

 gland converge and form larger tubules that flnallj empty into 

 small sinuses or reservoirs at the base of the teat. Leading 

 from these sinuses are one or several milk ducts that open at the 

 summit of the teat. 



Genital Organs of the Male. — The genital organs of the 

 male are the testicles, the ducts or canals leading from the 



I 



Fia. 17. — Photograph of model of udder of cow: (A) milk duct; (B) milk sinuses; and (C) 



glandular tissue. 



testicles, the seminal vesicles, the glands lying along the urethra, 

 and the penis. 



The testicles are the glandular organs that secrete the 

 spermatozoa, the essential elements of the seminal fluid. These 

 glands are lodged in the scrotal sack, situated between the two 

 thighs. 



Lying along the superior border of the testicle is a n:Tss of 

 ducts, the epididymis. The vas deferens is the canal or duet 

 that passes from the epididymis to the region of the bladder and 



