Endocrine control of testicular function

Question 1

where is GnRH produced? what is this hormones target?

Answer 1

hypothalamus of the brain
Gonadotrophin releasing hormone,

anterior pituitary

Question 2

The anterior pituitary produces?

Answer 2

Gonadotrophins- FSH and LH,

Question 3

What hormone is produced in the testes?

Answer 3

Testosterone

Question 4

Gonadotrophins control the release of

Answer 4

Testosterone

Question 5

Pituitary hormone effects?

Answer 5

LH and FSH stimulate spermatogenesis and testosterone

Question 6

GnRH stimulates

Answer 6

LH = leydig cells - testosterone

AND FSH = sertoli cells - spermatogenesis

Question 7

What hormones inhibits GnRH

Answer 7

inhibin and testosterone

Question 8

If a man takes any testosterone supplements in any form externally -what will this create

Answer 8

a negative feedback and their own hormones with be surppressed

Question 9

inhibin produced by?

What does it create?

Answer 9

fertilised cells

negative feedback on the ant pituitary