Hormones Flashcards
(13 cards)
Where is FSH produced
Pituitary gland
Where is LH produced
Pituitary gland
Where is estrogen made
Ovaries
Where is progesterone made
Ovaries
What does FSH do
- stimulates growth of egg
- stimulates estrogen production
What does LH do
- inhibits estrogen
- stimulates ovulation
- stimulates development of uterine lining
What does estrogen do
- thickens the uterus lining
- inhibits FSH
- (So only one egg matures)
- stimulates LH
- (To trigger ovulation)
What does progesterone do
- maintains the uterus lining
- inhibits FSH + LH
- (So only one egg matures)
Role of estrogen at puberty
- secondary sexual characteristics
- starts menstruation
- hips widen
- growth of breasts
- growth of body hair
- changes distribution of fat
Where is testosterone produced
Testes
What does testosterone do
- sperm production
- secondary sexual characteristics
- sex drive
Hormones v neurotransmitters (4)
- Production location:
- hormones produced in endocrine grands
- neurotransmitters produced in presynaptic neurons
- Carried in:
- hormones carried in blood stream / plasma
- neurotransmitters carried into synapse
- Location of effect:
- hormones affects whole body
- neurotransmitters have local effect
- Duration of effect:
- hormones have long term effect
- neurotransmitters have short term effect
Define ovulation
- release of egg