KINE 1P90 Lecture Notes - Lecture 18: Anterior Pituitary, Blastocyst, Apoptosis
1 Apr 2017
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The reproductive tract: fallopian tubes, uterus, cervix, vagina. Transport of sperm and ovum to common site for union (fertilization or conception) Maintenance of the developing fetus until it can survive in the outside world (gestation or pregnancy) Nourishing infant after birth by milk production (lactation) Essential for transport of sperm from vagina to fertilization site in oviduct. Contributes to breast development in anticipation of lactation. Important in preparing suitable environment for nourishing a developing fetus. Female reproductive system is active from puberty to menopause. At puberty (12 years old) hypothalamic gnrh activity increases for the first time. Stimulates release of anterior pituitary gonadotrophic hormones. Release of estrogen which induces growth and maturation of the reproductive tract and secondary sex characteristics. Identical steps of chromosome replication and division during gamete production in both sexes. The undifferentiated primordial germ cells in the fetal ovaries, the oogonia. Timing and end result and very different.
