HSCI 100 Chapter Notes - Chapter 18: Cell Membrane, Stethoscope, Corpus Luteum

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Fertilization through the 2nd week: embryonic development, week 3-8, fetal development. From week 9 to birth: development after birth, postnatal, includes all stages of life including infancy, childhood etc . > cells undergo mitotic division (2,4,8, 16 etc) without the embryo in size: growth. > cells undergo mitotic division as well as in size: morphogenesis. > the embryo begins to take shape as cells migrate: differentiation. > when cells take on specific structure and function (the nervous system is the. > secretions from the female reproductive tract alter the surface of the plasma membrane of the sperm. > the sperm contacts the corona radiate and enzymes spill out of the acrosome. > the enzymes disrupt cellular attachment, allowing passage of the sperm through the corona radiate and then the zona pellucida. > the sperm contracts the plasma membrane of the secondary oocyte, and their plasma membrane fuse. > the sperm enters the cytoplasm of the secondary oocyte.

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