Acessory Sex Glands

Question 1

What are the four accessory sex glands?

Answer 1

Ampulla, vesicular glands, prostate gland and bulbourethral glands.

Question 2

What glands does the bull have?

Answer 2

All 4- the ampulla, vesicular glands, prostate gland and bulbourethral glands

Question 3

What glands does the stallion have?

Answer 3

All 4- the ampulla, vesicular glands, prostate gland and bulbourethral glands

Question 4

What glands does the ram have?

Answer 4

All 4- the ampulla, vesicular glands, prostate gland and bulbourethral glands

Question 5

What glands does the boar have?

Answer 5

Just vesicular glands, prostate gland and bulbourethral glands (i.e. NO ampulla)

Question 6

What glands does the dog have?

Answer 6

Just a prostate gland (i.e. NO bulbourethral glands, ampulla or vesicular glands)

Question 7

What glands do cats have?

Answer 7

A prostate and bulbourethral glands (i.e. NO ampulla or vesicular glands)

Question 8

What are the ampullae?

Answer 8

These are paired enlargements of the ductus deferens, formed because of a significant increase in the mucosa within the ampullae.

Question 9

Where do the ampullae open into?

Answer 9

Directly into pelvic urethra

Question 10

What are the vesicular glands?

Answer 10

Paired glands located dorsocranial to the pelvic urethrea. These look very different for each species.

Question 11

Where do the vesicular glands empty their secretions?

Answer 11

Directly into the pelvic urethra

Question 12

The vesicular glands and ampullae both open into the pelvic cavity through the same openings. T/F

Answer 12

FALSE- they both open into the pelvic urethra but both have their own separate openings within this

Question 13

Where is the prostate located?

Answer 13

Near the junction of the urinary bladder and the pelvic urethra

Question 14

What does the prostate look like?

Answer 14

There is WIDE species variation, some with various lobes. Some may have a corpus prostate, being a body, and some have a disseminate prostate, being glandular tissue spread diffusely across the outside of the urethra. Some may have some of both.

Question 15

What are the bulbourethral glands?

Answer 15

Small, ovoid, paired glands located on either side of the pelvic urethra near the ischial arch. They are quite dense because they contain a lot of fibrous CT.

Question 16

What is different about the bulbourethral glands in the boar?

Answer 16

They are very large and sit on the caudal surface of the pelvic urethra. They are important for providing the gel fraction of the ejaculate and causing the seminal plasma to coagulate following ejaculation.

Question 17

For full function and development of the accessory sex glands, what hormone is required?

Answer 17

Testosterone

Question 18

What is the function of the accessory glands?

Answer 18

They secrete a whole variety of fluids, ions etc which contribute to the fluid, non-cellular portion of the semen, called the seminal plasma.

Question 19

What glands do camelids have?

Answer 19

Prostate and bulbourethral. They have a thickening of ductus deferens that looks similar to ampullae but it is NOT.