Reproductive+System+Notes+CH

Reproductive System


 * Male Reproductive Hormones:** Testosterone made in the testes which are in the scrotum. Testes cells have testosterone receptors.The male starts making testosterone during puberty. Male keeps making testosterone until he dies. The signal is to make sperm. That signal is a daily signal.
 * Female Reproductive Hormones:** Estrogen made in the ovaries. Ovary has estrogen receptors. The signal is to mature an egg. Estrogen is not released until puberty and stops at menopause. 2 weeks out of every menstrual cycle Estrogen is released by the ovary. Progesterone is made in the ovary by the empty egg sac. Progesterone is made from puberty until menopause. Progesterone is released the last two weeks of the menstrual cycle. Progesterone receptors are found in the womb (uterus) and keeps the lining of the uterus thick.
 * Male Reproductive Organs:** Sperm Pathway: Testes (sperm are made) --> epididymis (sperm training pool) --> vas deferens --> urethra
 * Female Reproductive Organs**: Sperm Pathway: Vagina --> Cervix --> Uterus --> fallopian tubes (oviducts)

Menstrual Cycle Notes


 * Generally, 28 days
 * Days 1-7-->Menstruation (lasts 3-7 days)
 * Days 8-11-->Lining of womb thickens, shed and then re-align
 * Day 14-->Ovulation (egg drops)
 * Days 18-25-->if fertilization hasn't taken place, the corpus luteum fades away
 * Days 26-28-->The uterine lining detaches leading to menstruation

Hormones involved:
 * **F-**SH-->brain:pituitary gland
 * **E-**strogen ovary, alternating ovaries
 * **L-**H: brain pituitary gland
 * **O**-vulation: release egg from ovary
 * **P-**rogesterone: ovary

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