ANSC 4402 -STALLION EXAM QUESTIONS AND
ANSWERS A+ GRADED
What is the purpose of the Tunica Dartos Muscle
The Tunica Dartos is part of the scrotum, it draws the testes closer to the body when
cold.
What cells surround the seminiferous tubules? What are their purpose?
Sertoli cells: Spermatogonia
Leydig Cells: produce testosterone
What are the parts of the epididymis in order/ what do they do?
Head: maturation
Body: Maturation
Tail: Storage
T/F the ductus deferens is another form of temperature regulation?
False
What are the three ways the body controls temperature of the testes?
Cremaster Muscle
Pampiniform Plexus
Tunica Dartos
What is the purpose of the Gubernaculum?
The Gubernaculum extends from the testicle through the inguinal canal, which
descends the testicles into the scrotum.
What is the procedure of a castration?
1. Anesthetize horse
2. Secure one hind leg up with a rope.
3. Scrub Scrotum
4. Make an incision on each testicle.
5. Use emasculator tool to crush and cut the spermatic cord.
At what age is it recommended to castrate a stallion?
A. Immediately after being born.
B. 2 years of age.
C. 5 years of age.
D. 10 years of age.
B. 2 years of age
Define a colt?
Intact male, 3 years or younger.
Define Stallion?
An intact male, 3 years and older.
Define what a Gelding is?
A male that has been castrated.
What is cryptorchidism? Why is it undesirable in a male?
When one or both of the testicles fail to descend into the scrotum, it is a hereditary trait
and requires abdominal surgery to remove.
What are all the accessory sex glands, and their overall purpose?
ANSWERS A+ GRADED
What is the purpose of the Tunica Dartos Muscle
The Tunica Dartos is part of the scrotum, it draws the testes closer to the body when
cold.
What cells surround the seminiferous tubules? What are their purpose?
Sertoli cells: Spermatogonia
Leydig Cells: produce testosterone
What are the parts of the epididymis in order/ what do they do?
Head: maturation
Body: Maturation
Tail: Storage
T/F the ductus deferens is another form of temperature regulation?
False
What are the three ways the body controls temperature of the testes?
Cremaster Muscle
Pampiniform Plexus
Tunica Dartos
What is the purpose of the Gubernaculum?
The Gubernaculum extends from the testicle through the inguinal canal, which
descends the testicles into the scrotum.
What is the procedure of a castration?
1. Anesthetize horse
2. Secure one hind leg up with a rope.
3. Scrub Scrotum
4. Make an incision on each testicle.
5. Use emasculator tool to crush and cut the spermatic cord.
At what age is it recommended to castrate a stallion?
A. Immediately after being born.
B. 2 years of age.
C. 5 years of age.
D. 10 years of age.
B. 2 years of age
Define a colt?
Intact male, 3 years or younger.
Define Stallion?
An intact male, 3 years and older.
Define what a Gelding is?
A male that has been castrated.
What is cryptorchidism? Why is it undesirable in a male?
When one or both of the testicles fail to descend into the scrotum, it is a hereditary trait
and requires abdominal surgery to remove.
What are all the accessory sex glands, and their overall purpose?
