Testicular function

Question 1

2 major functions of reproductive organs?

Answer 1

gametogenisis and secreting hormones

Question 2

which cell type produces testosterone?

Answer 2

leydig cell

Question 3

which cells produce estrogen and progesterone

Answer 3

theca and granulosa

Question 4

first and final product of male gametogenisis?

Answer 4

spermatagonium and spermatazoa

Question 5

when does oogenisis begin?

Answer 5

fetal life

Question 6

what happens to an oogonium after the first meiotic division?

Answer 6

secondary oocyte and polar body

Question 7

where in the female is estrogen and progesterone produced?

Answer 7

Ovary, specifically Corpus luteum and follicular (granulosa) cells

Question 8

primary target for FSH in males?

Answer 8

sertoli cells

Question 9

describe the structure of the testes

Answer 9

seminiferous tubules > epididymis > vas deferens

Question 10

cells of the seminiferous tubules?

Answer 10

sertoli, leydig and spermatagonium

Question 11

describe the hormone cascade in male repro

Answer 11

Route 1: GnRH > LH > leydig cells > Testosterone > sertoli cells and body for secondary effects. Test feedback on Ant Pit and hypo
Route 2: GnRH> FSH> secondary messenger to Sertoli Cells> sprematocyte maturation. Inhibin feedback on Ant Pit

Question 12

5 roles of testosterone

Answer 12

Masculinises reproductive tract and external genitialia before birth.
Spermatogenisis.
Sex Drive.
Secondary sex characteristics.
Non reproductive charactersitcs - anabolic efects, bone growth