Male physiology

Question 1

What do germ cells do and where are they found?

Answer 1

In seminiferous tubules in testis.

They produce sperm

Question 2

What do sertoli cells do?

Answer 2

These cells are found in the seminiferous tubules, they are also called sustentacular cells. They support germ cells and produce inhibin.

Question 3

What does inhibin do?

Answer 3

Produced by sertoli cells.

This is a protein which inhibits synthesis and release of follicle stimulating hormone in the pituitary gland and reduces LH levels.

Part of the negative feedback system along with testosterone.

Question 4

What do Leydig cells do?

Answer 4

Also called Interstial cells, they produce testosterone.

Question 5

What does FSH do?

Answer 5

Follicular stimulating hormone stimulates SPERM production by acting on Sertoli cells.

Question 6

What does LH do?

Answer 6

Acts on Leydig cells to stimulate testosterone production.