PSYCH 3060 Lecture Notes - Lecture 7: Human Chorionic Gonadotropin, Ectopic Pregnancy, Lamaze Technique
26 Sep 2017
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Document Summary
A male ejaculation has on average 200-400 million sperm in it, but after having to pass through the cervix and tubes, only about 50 make it to the egg. Capacitation- process that sperm undergo while traveling through the womens reproductive tract in which their membranes become thin enough so that an enzyme necessary for softening the ovums membrane can be released. Zygote- one celled organism created from egg and sperm morula- collection of cells formed when zygote begins rapid cell division blastocyst- fluid filled sphere that reaches the uterus formed by the morula. Implantation- process by which the blastocyst attaches itself to the wall of the uterus. Umbilical cord- cord that connects an embryo or fetus to the placenta. Amnion- thick-skinned sac filled with water that surrounds the fetus. Chorion- fourth membrane of the trophoblast; develops into lining of the placenta. Placenta- organ that serves as a connection or interface between the fetus" system and those of the mother.
