male repro

Question 1

The repro tract begins as _____ type of tract where there is no distinction between male and female

Answer 1

undifferentiated

Question 2

Describe the development of the male tract in two steps

Answer 2

mesonephric duct–>ductus deferens

Question 3

Describe the development of the female tract in two steps

Answer 3

paramesonephric duct –> uterus and uterine tube

Question 4

What are three possible reproductive deviations that a male with cryptorchidism could have?

Answer 4

abdominal testis, extended gubernaculum, scrotal +/-epidydimus.

Question 5

The gubernaculum contains these three things:

Answer 5

proper ligament, tail ligament, scrotal ligament

Question 6

What do interstitial (Leydig) cells do?

Answer 6

converts androstenedione to testosterone under influence of pituitary LH

Question 7

What do sustentacular (Sertoli) cell do hormonally/ what type of syndrome/ what type of cell manifestation?

Answer 7

converts testosterone to estradiol/ feminizing syndromes/ hypoplasia of contralateral testis

Question 8

What does spematogonia refer to?

Answer 8

spermatocytes, spermatids, spermatozoa

Question 9

What are three notable features of the testis?

Answer 9

1. pampiniform plexus, tunica albuginea, epididymis

Question 10

List all 7 functions of the sustentacular cells?

Answer 10

1. support spermatogonia
2. phagocytosis of cellular debris
3. protein synthesis and germ cell nutrition
4. facilitate germ cell migration within epithelium
5. facilitate spermatozoa release
6. secretion of intratubular fluid
7. “blood-testis barrier”

Question 11

What is a variation of the prostatic gland feature in small ruminants?

Answer 11

disseminated part of prostate along urethra

Question 12

What type of secretion does the prostate gland secrete?

Answer 12

mixed seromucous secretion/ weakly alkaline

Question 13

What does the secretion of the prostate gland initiate?

Answer 13

ejaculate motility

Question 14

vesicular gland secretes this type of sugar, which is an energy source for what cell?

Answer 14

fructose/ sperm

Question 15

What is unique about the boar in terms of vesicular gland features?

Answer 15

high volume stored in advance

Question 16

Do dogs and cats have a vesicular gland?

Answer 16

No

Question 17

What does the bulbourethral gland secrete/ function of secretions?

Answer 17

mucous and gelatinous secretion/ lubrication

Question 18

When does the bulbourethral gland release its contents?

Answer 18

prior to ejaculation

Question 19

Do dogs have a bulbourethral gland?

Answer 19

No

Question 20

The tomcat use the bulbourethral gland to aid in what?

Answer 20

sperm energy and nutrition

Question 21

In the boar, the bulbourethral gland secretions is most often a part of what ?

Answer 21

ejaculate

Question 22

In what species is the ampulla present?

Answer 22

horse and ruminants

Question 23

In which species doe the glands of ductus deferens diffuse?

Answer 23

dog and boar