Intro to Male Repro

Question 1

Testes are responsible for?

Answer 1

1. Spematozoa production

2. Hormone secretion (testosterone)

Question 2

3 ducts which collect and store sperm?

Answer 2

1. Ductuli efferentes
2. Epididymis
3. Ductus (vas) deferens
4. Ejaculatory duct

Question 3

What do the exocrine glands of the male repro system do?

Answer 3

Secrete seminal fluid

Question 4

2 exocrine glands

Answer 4

1. Seminal vesicles

2. Prostate gland

Question 5

Semen consists of?

Answer 5

Seminal fluid + sperm + desquamated duct lining cells

Question 6

Function of bulbourethral glands?

Answer 6

Secret fluid for lubrication of urethra for passage of semen

Question 7

Exocrine function of testes

Answer 7

Produce spermatozoa

Question 8

Endocrine function of testes

Answer 8

Hormone production (testosterone, estrogen)

Question 9

What cells produce testosterone?

Answer 9

Leydig cells

Question 10

What cells produce estrogen?

Answer 10

Sertoli cell

Question 11

Components of capsule

Answer 11

1. Tunica albuginea

2. Tunica vaginalis

Question 12

Tunica vaginalis can also be called?

Answer 12

1. Tunica propria

2. Tunica serosa

Question 13

Tunica albuginea is formed of?

Answer 13

Dense irregular CT

Question 14

2 parts of testicular stroma

Answer 14

1. Mediastinum testis

2. Septula testis

Question 15

What is mediastinum testis?

Answer 15

CT at anterior pole → surrounds rete testis

Question 16

What is septula testis?

Answer 16

Septae of CT extending from tunica albuginea to mediastinum → divides testis into lobules

Question 17

Seminiferous tubules aka?

Answer 17

Tubuli contorti

Question 18

What surrounds seminiferous tubules?

Answer 18

Basal lamina

Question 19

Myoid cells

Answer 19

Smooth m. cells outside of basal lamina which aids contraction of seminiferous tubules

Question 20

Seminiferous tubules have what epithelium?

Answer 20

Stratified epithelium with developing germ cells and Sertoli cells

Question 21

Sertolie cell functions

Answer 21

1. Physical and nutritional support
2. Phagocytosis
3. Secretion

Question 22

What does Sertoli cell secrete?

Answer 22

1. Estrogen
2. Androgen-binding protein
3. Activin
4. Inhibin

Question 23

What is androgen-binding protein?

Answer 23

Concentration of testosterone and its derivatives

Question 24

Activin and inhibin belong to what family?

Answer 24

TGF-beta family protein

Question 25

Functions of activin and inhibin

Answer 25

1. Cell proliferation
2. Differentiation
3. Apoptosis