ANSC 4402 EXAM QUESTIONS AND ANSWERS A+
GRADED
What is the scrotum?
A sac of skin that holds the testes outside the abdominal cavity
What is the Tunica Dartos?
Muscle that pulls the scrotum closer to the body when it is cold and lowers it when it is
hot. (shrivel up or relax)
Where can the tunica dartos be found?
The scrotum
What do the testes produce?
spermatogonia and testosterone
What is the tunica albuginea?
white fibrous capsule that surrounds the testicle
What happens in the seminiferous tubules?
sperm production (spermatogenesis)
Where are the seminiferous tubules located?
within the testes
What is the rete tubule?
ducts that collect sperm from seminiferous tubules
What are the 2 kinds of cells that surround the seminiferous tubules?
Leydig and Sertoli cells
What do Leydig cells do?
produce testosterone
What do Sertoli "nurse" cells do?
help w/ spermatogenesis
What are the 3 parts of the epididymis?
Caput (head)
Corpus (body)
Cauda (tail)
What happens within the epididymis?
Sperm maturation & storage
(head & body= maturation)
(tail = storage)
spermatic cord contains
Ductus deferens (Carries sperm)
Pampiniform Plexus (cools blood going to testes)
Cremaster Muscle (closely associated: it pulls testes closer to body)
When do testes normally descend?
10-14 days before or after birth
True or False: You normally castrate a colt between 1-2 years of age
True
What is a gelding?
male after castration
GRADED
What is the scrotum?
A sac of skin that holds the testes outside the abdominal cavity
What is the Tunica Dartos?
Muscle that pulls the scrotum closer to the body when it is cold and lowers it when it is
hot. (shrivel up or relax)
Where can the tunica dartos be found?
The scrotum
What do the testes produce?
spermatogonia and testosterone
What is the tunica albuginea?
white fibrous capsule that surrounds the testicle
What happens in the seminiferous tubules?
sperm production (spermatogenesis)
Where are the seminiferous tubules located?
within the testes
What is the rete tubule?
ducts that collect sperm from seminiferous tubules
What are the 2 kinds of cells that surround the seminiferous tubules?
Leydig and Sertoli cells
What do Leydig cells do?
produce testosterone
What do Sertoli "nurse" cells do?
help w/ spermatogenesis
What are the 3 parts of the epididymis?
Caput (head)
Corpus (body)
Cauda (tail)
What happens within the epididymis?
Sperm maturation & storage
(head & body= maturation)
(tail = storage)
spermatic cord contains
Ductus deferens (Carries sperm)
Pampiniform Plexus (cools blood going to testes)
Cremaster Muscle (closely associated: it pulls testes closer to body)
When do testes normally descend?
10-14 days before or after birth
True or False: You normally castrate a colt between 1-2 years of age
True
What is a gelding?
male after castration
