92 VETEEINART STATE BOARD 



In the centre of each quarter is a prolongation, the teat or nipple, 

 which is pierced at its extremity by a small orifice, the opening of 

 the teat duct. The teat duct or canal traverses the teat and opens 

 superiorly into the galaetophorus sinus or reservoir at the base 

 of the teat. 



Externally, the organ is covered with skin which, together with 

 ligamentous, elastic bands attached to the abdominal tunic, fixes it 

 in position. Internally, the organ is made up of glandular, adipose 

 and connective tissue. 



Blood supply: External pudic. 



Nerve supply : First lumbar pair. 



Describe the mammary glands of the bitch. 



The mammary glands of the bitch are ten in number, five on each 

 side, situated along the ventral surface of the body from the inguinal 

 to the axillary region. Each teat has from eight to ten orifices. 



Describe the genital organs of the cow. 



The genital organs of the cow include the ovaries. Fallopian tubes, 

 uterus, vagina and mammary gland. For description of same, see 

 preceding questions. 



Name the coverings of the testicles. 



From without, inward : scrotum, dartos, cremaster, fibrous tunie 

 and tunica vaginalis. 



Of -what structures is the spermatic cord composed? 



Vas deferens, spermatic artery, spermatic vein, nerves of sym- 

 pathetic origin, cremaster muscle and peritoneum. 



Define the following: epididymis, vas deferens, globus major, vesiculae 

 seminales, prostate gland, clitoris and vulva. 



Epididymis is an elongated duct, placed against the upper bor- 

 der and outside of the testicle, arising from the vas efferentia and 

 also called the head of the epididymis. 



Vas deferens is an elongated canal, beginning at the epididymis 

 and ending at the seminal vesicles, through which spermatozoa pass. 



Globus major is the enlarged anterior part of the epididymis; 

 also called the head of the epididymis. 



Vesiculae seminales are two elongated pouches in which the semen 

 is stored, situated above the neck of the bladder. 



The prostate gland is situated at the commencement of the 

 urethra around the neck of the bladder. It secretes a viscid fluid, 

 which it pours forth into the urethra through several orifices. 



Digitized by Microsoft® 



