Module 8 - 01:23 Zygote- the fertilized egg; it enters a...

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01:23 Zygote - the fertilized egg; it enters a 2-week period of rapid cell division and develops into an embryo Embryo - the developing human organism from about 2 weeks after fertilization through the second months Fetus - the developing human organism from 9 weeks after conception to birth Teratogens - agents, such as chemicals and viruses, that can reach the embryo or fetus during prenatal development and cause harm Fetal alcohol syndrome (FAS) - physical and cognitive abnormalities in children caused by a pregnant woman’s heavy drinking. In severe cases, symptoms include noticeable facial misproportions Rooting reflex - a baby’s tendency, when touched on the cheek, to turn toward the touch, open the mouth, and search for the nipple A woman is born with all the immature eggs she would ever have, although only 1 in 5000 will ever mature and be released A man begins producing sperm cells at puberty…the manufacturing process continues 24 hours a day for the rest of his life, although the rate of production slows with age
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This note was uploaded on 02/18/2010 for the course PSYCHOLOGY 101 taught by Professor Maas during the Fall '09 term at Cornell University (Engineering School).

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Module 8 - 01:23 Zygote- the fertilized egg; it enters a...

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