Labels For Urogenital System Of Male Lab Rat

Question 1

Seminal vesicle

Answer 1

Two small glands which produce liquid component of semen

- secrete liquid rich in glucose to provide energy source for sperm

Question 2

Cowper’s gland

Answer 2

Exocrine gland which produces pre-ejaculate

- The pre-ejaculate fluid is a viscous, clear, and salty liquid that neutralizes any residual acidity in the urethra.

Question 3

Urethra

Answer 3

Carries urine or semen to exterior

Question 4

Epididymus

Answer 4

Site of sperm maturation

Question 5

Preputial gland

Answer 5

Exocrine glands which secrete smegma

Question 6

Testes

Answer 6

Testosterone and sperm production

Question 7

Prostate gland

Answer 7

Secretes fluid for semen:

• helps speed move faster
• has alkaline pH to neutralize acidic vaginal secretions

Question 8

Inguinal canal

Answer 8

Connects scrotal sac to abdominal cavity

Question 9

What are the three parts of the epididymus

Answer 9

• anterior Capital epididymus
• middle & narrow corpus epididymus
• posterior cauda epididymus

Question 10

Gubernaculum

Answer 10

Stout ligament which attaches cauda epididymus to floor of scrotum

Question 11

What is the seminal vesicle associated with?

Answer 11

• associated with each vas deferens is the large seminal vesicle comprising of:
  Vesicular glands & coagulating glands
• seminal vesicle opens into each vas deferens at posterior close to bladder

Question 12

Coagulating gland

Answer 12

• accessory sex gland found in rodents and monkeys
• In rodents, the protein and fructose-rich secretions of this gland play a major role in semen coagulation and sperm motility thereby enhancing fertilisation efficacy in these specie