Download
the hormonal control of the menstrual cycle n.
Skip this Video
Loading SlideShow in 5 Seconds..
The Hormonal Control of the Menstrual Cycle PowerPoint Presentation
Download Presentation
The Hormonal Control of the Menstrual Cycle

The Hormonal Control of the Menstrual Cycle

234 Vues Download Presentation
Télécharger la présentation

The Hormonal Control of the Menstrual Cycle

- - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

  1. The Hormonal Control of the Menstrual Cycle

  2. 6 LH stimulatesovulation & formationof the corpus luteum oestrogen inhibitsFSH production &stimulates LH production FSH LH 5 9 1 corpus luteumsecretes progesterone progesterone inhibitsFSH production FSH increases 7 ovary secretesoestrogen oestrogen progesterone 2 FSH causes an egg to developinside a follicle 3 corpus luteum disintegrates & progesterone falls 10 progesterone maintainsthe uterus lining 11 8 oestrogen bringsabout repair ofuterus lining menstruation menstruationstarts 4 day day

  3. Using Hormones to Control the Human Population

  4. How can these important facts be used to control the population? FSH LH FSH stimulatesan egg to developinside a follicle oestrogen inhibitsFSH production progesterone inhibitsFSH production oestrogen progesterone menstruation day day

  5. Using Hormones to Control the Human Population • Fertility treatment:Inject FSH into women who don’t produce enough of their own to stimulate eggs to develop • Contraception:Oral doses of the contraceptive ‘pill’, containing oestrogen & progesterone, inhibit FSH production so eggs do not develop and ovulation does not occur