MALE REPRODUCTIVE HORMONES

Question 1

At the onset of puberty, neurosecretory cells in the hypothalamus increase their secretion of

Answer 1

gonadotropin-releasing hormone (GnRH).

Question 2

gonadotropin-releasing hormone (GnRH)., in turn, stimulates the anterior pituitary to increase its secretion of

Answer 2

luteinizing hormone (LH) and follicle-stimulating hormone (FSH).

Question 3

what controls the Leydig and Sertoli cells

of the testes and stimulate spermatogenesis.

Answer 3

hormones and negative feedback cycles

Question 4

luteinizing hormone stimulates Leydig cells, which are located between seminiferous tubules, to secrete
which hormone

Answer 4

testosterone

Question 5

What is the principal androgen

Answer 5

testosterone

Question 6

Which hormones act together to stimulate spermatogenesis.

Answer 6

FSH and testosterone

Question 7

Once the degree of spermatogenesis required for male reproductive functions has
been achieved, Sertoli cells release ____,

Answer 7

inhibin

Question 8

What does inhibin inhibit

Answer 8

FSH secretion by the anterior pituitary