Describe The Hormonal Influences

Question 1

In puberty, what hormones are released?

Answer 1

Gonadotropins releasing hormones from hypothalamus stimulate the release of FSH and LH.

Question 2

What are the 7 secondary sex characteristics for the male?

Answer 2

1. Development of body hair
2. Muscle and skeletal growth
3. Change in body composition
4. Pigmentation of external genitalia
5. Increased activity of secretory glands
6. Enlargement of larynx - deepening of voice
7. Skin thickening

Question 3

Describe the process of the negative feedback loop of hormonal control of testes

Answer 3

Stimuli from other areas in the brain [hypothalamus]—> Gonadotrophin releasing hormones —> anterior pituitary gland releasing FSH and LH into testis —> LH causes testosterone production
—> hormones in testis cause sperm production