Unit 2 - KA2 - Hormonal control of reproduction

Question 1

what does the Pirtuitary gland secrete

Answer 1

FSH and LH/ICSH

Question 2

what do these homones do

Answer 2

trigger the onset of puberty

Question 3

what does Follicle Stimulating Hormone do in Males?

Answer 3

Promotes the production of sperm in the seminiferous tubules of the testes

Question 4

What does testosterone do?

Answer 4

stimulates sperm production and activates the prostate gland and seminal vesicles.

Question 5

what does ICSH do

Answer 5

stimulates the production of testosterone from the interstitial cells of the testes

Question 6

what does the hypothalamus produce and what does it do?

Answer 6

releaser hormone which stimulates the pituitary gland

Question 7

negative feedback

Answer 7

regulation in biological systems where the end product of that process is used to reduce the stimulus of thta same process.

Question 8

negative feedback with testosterone

Answer 8

when testosterone levels increase within the blood over a certain level it inhibits the secretion of FSH and ICSH from the pituitary gland, decreasing the levels of testosterone produced.