Lifespan Ch 3
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show | when a single sperm cell from the male unites with an ovum (egg)
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show | Germinal period: first 2 weeks after conception, zygote created Embryonic period: occurs from 2 to 8 weeks after conception Fetal period: begins 2 months after conception and lasts until birth
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Germinal Period | show 🗑
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Blasocyst | show 🗑
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Trophoblast | show 🗑
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Implantation | show 🗑
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show | development from 2 to 8 weeks after conception
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Life Support System | show 🗑
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Amnion | show 🗑
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Umbilical Cord | show 🗑
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show | group of tissues containing mother and baby’s intertwined blood vessels
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show | process of organ formation during the first two months of prenatal development
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Primary Germ Layers | show 🗑
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show | these cells will give rise to the skin, the nervous system, and the lining of the mouth and anal canal.
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Mesoderm | show 🗑
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show | These cells will be important in forming the digestive tract, respiratory tract, and the urinary tract
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Viability | show 🗑
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Anencephaly | show 🗑
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show | failure of tube to close at cord end
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show | generation of new neurons
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Neuronal migration | show 🗑
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Teratogen | show 🗑
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show | Drugs (prescription, nonprescription) Incompatible blood types Environmental pollutants Infectious diseases Nutritional deficiencies Maternal stress Advanced age of parent
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show | ntibiotics, some antidepressants, some hormones, and Accutane
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Non-prescription teratogens | show 🗑
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show | drugs that act on the nervous system to alter states of consciousness, modify perceptions, and change moods - include caffeine, nicotine, and alcohol
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Fetal alcohol syndrome | show 🗑
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Nicotine risks | show 🗑
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show | Can cause mother’s immune system to produce antibodies that will attack the fetus
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show | Syphilis damages organs after formed, > 4 months genital herpes: 1/3 die, ¼ brain damage if canal is infected AIDS
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show | causes deafness
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Diabetes | show 🗑
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show | Toxemia & preeclampsia Birth defects
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Stage 1 of Birth | show 🗑
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Stage 2 of Birth | show 🗑
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show | umbilical cord, placenta, and other membranes are detached and expelled (afterbirth)
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show | condition in which the fetus has an insufficient supply of oxygen
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show | assessed at 1 minute and 5 minutes after birth evaluates heart rate, body color, muscle tone, respiratory effort, and reflex irritability 10 is highest, 3 or below indicates an emergency
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Postpartum period | show 🗑
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show | experienced by 70% of new mothers in the U.S. Typically resolves in 1–2 weeks, without treatment
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Postpartum Depression | show 🗑
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show | Many fathers feel that the baby gets all of the mother’s attention
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Bonding | show 🗑
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