What is/are the function(s) of inhibin?

A) Inhibits secretion of FSH from the anterior pituitary gland
B) Inhibits secretion of luteinizing hormone from the anterior pituitary gland
C) Inhibits secretion of estrogen from the ovaries
D) All of the choices are correct.

Inhibin

Polypeptide secreted from the testes that inhibits FSH secretion.

FSH

Follicle-stimulating hormone, a gonadotropin involved in the regulation of reproductive processes including gametogenesis and ovarian follicle development.

Luteinizing Hormone

A hormone produced by the anterior pituitary gland that triggers ovulation and stimulates the production of sex hormones in both males and females.