Homeostasis - the menstrual cycle Flashcards
1
Q
What is oestrogen?
A
- The main female sex hormone which is produced by ovaries
- makes egg mature and be released (ovulation).
- Inhibits FSH release and stimulates LH release.
- Makes the lining of uterus grow again after menstruation.
2
Q
What is testosterone?
A
The main male sex hormone which is produced by testes, stimulates sperm production.
3
Q
What happens to sperm after puberty?
A
Produced continuously.
4
Q
What is FSH?
A
Follicle stimulating hormone, causes eggs to mature in the ovaries. Stimulates the ovaries to produce oestrogen.
5
Q
What is FSH secreted by?
A
Pituitary gland.
6
Q
What is oestrogen secreted by?
A
Ovaries
7
Q
What is LH?
A
Luteinising hormone, stimulate release of egg from ovary (ovulation).
8
Q
What is LH secreted by?
A
Pituitary gland.
9
Q
What is progesterone?
A
Maintains lining of uterus, inhibits FSH and LH.
10
Q
What is progesterone secreted by?
A
Empty follice in ovaries.
11
Q
How often is egg released by ovulation?
A
Every 28 days, although can vary.
