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Cards In This Set
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Corona radiata.
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Adhering follicular cells that surround the egg
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Implantation.
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Starts embryonic development
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Morula
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Associated with pre-embryonic development
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Differentiation
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When cells take on specific structure and function during development
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Nervous system
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During development, the first system in the body to become visibly differentiated permitting reflex actions during weeks 6–8, the embryonic period of development
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Morphogenesis
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Refers to the shaping of the embryo as a result of the movement of various cells
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Chorion
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A developing chick is provided with nutrients via the yolk sac. In humans, which extraembryonic membrane serves the same role carrying on gas exchange
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Placenta
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This structure produces progesterone and estrogen during pregnancy and is expelled during the third stage of labor
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Fetus
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Word that describes developing human from the third through ninth months
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Testosterone
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This hormone will not be produced if there is a defective SRY gene
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Oxytocin
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Hormone responsible for onset and continuation of labor
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Fertilization
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Moment when the sex of an individual is determined
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Umbilical arteries
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Carry oxygen poor blood to placenta during development
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Sperm
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When entering the egg, the _______ must cross these following layers: corona radiata, zona pellucida, oocyte plasma membrane
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Episiotomy
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Surgical procedure to enlarge birth canal.
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