Hormones
- Created by: NWILKA1
- Created on: 27-05-14 16:06
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- Hormones
- Secreted by glands
- Transported to target organs in the blood stream
- FSH
- Secreted by the pituitary gland
- Causes an egg to mature in the ovaries
- Stimulates ovaries to produce oestrogen
- LH
- Stimulates the release of eggs from the ovaries.
- Oestrogen
- Secreted byt the ovaries.
- Inhibits further production of FSH
- Regulate the functions of many organs and cells
- Release of an egg from the ovaries
- Changes in the thickness of the lining of the womb
- Controlling fertility
- Oral contaceptives
- Contain hormones that inhibit the production of FHS
- No eggs mature.
- May contain oestrogen and progesterone to inhibit egg maturation
- First birth control pills had high levels of oestrogen
- This caused signifcant side effects,
- Now contain much lower does of oestrogen, or are progesterone only.
- Contain hormones that inhibit the production of FHS
- Oral contaceptives
- Progesterone
- Secreted by ovaries.
- Maintains lining of the uterus during middle part of the mentrual cycle and during pregnancy.
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