Final: Male Reproductive Physiology Flashcards Preview

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Flashcards in Final: Male Reproductive Physiology Deck (16):
1

What is the order of spermatogenesis?

Spermatogonia-->Primary spermatocyte-->Secondary spermatocyte-->Spermatid-->Mature sperm

2

What forms estrogens from testosterone & nurses the process of spermatogenesis and spermiogenesis?

Sertoli cells

3

What vesicles contain hyaluronidase & proteolytic enzymes?

Proacrosomal vesicles

4

The sloughed off, excess cytoplasm of spermiogenesis is termed the _____.

Residual body

5

What cells are found in the interstitial spaces in the testes?

Cells of Leydig

6

What are cells of leydig stimulated by and where is that secreted from?

LH
Anterior pituitary

7

What percentage of the total volume of semen comes from the seminal vesicles?

60%

8

What may cause retro-peristaltic contractions of uterus and fallopian tubes to make the cervix more receptive to sperm movement?

Prostaglandins

9

What percentage of total volume of semen comes from the prostate gland?

30%

10

T/F: The fluid from the prostate gland is slightly acidic.

False, slightly alkaline

11

What is the term for any steroid hormone that has masculinizing effects?

Androgen

12

97% of testosterone is loosely bound with _____ or tightly bound with _____ _____.

Albumin
Beta Globulin

13

What happens to testosterone that is not fixed in tissues?

Excreted into gut via bile or urine via kidneys

14

Releasing hormones are produced by the _____, sent to the _____ _____, & cause stimulation of _____ and _____ from the _____ _____.

Hypothalamus.
Anterior Pituitary
LH and FSH
Anterior Pituitary

15

What causes Leydig cells to secrete testosterone?

LH

16

What inhibits the secretion of FSH by the anterior pituitary?

Inhibin