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Related Flashcards
Related Topics
Cards In This Set
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Capacitation
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period of conditioning whereby the sperm cell coat is
modified while in the female reproductive tract prior to being able to
fertilize the secondary oocyte
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Lanugo
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Fine, soft, unpigmented fetal hair
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Cleavage
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Series of mitotic cell divisions occurring in the zygote immediately following its fertilization
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Organogenesis
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Formation of organs during development
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Meiosis
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Process of sex cell division that results in 4 gametes, each w/the haploid # of chromosomes
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Mesoderm
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The middle of the 3 primary germ layers of the embryo
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Acrosome
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Membranous cap on the anterior two-thirds of the sperm nucleus that contains digestive enzymes for penetrating an oocyte
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Trophoblast
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Cell layer covering the blastocyst that will allow the embryo to receive nourishment from the mother
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Embryology
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Study of the origin and development of the organism, from the fertilization of the secondary oocyte until birth
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Gametogenesis
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Formation and development of gametes (sex cells)
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Syncytiotrophoblast
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Outer layer of the trophoblast that produces the hormone human chorionic gonadotropin (hCG)
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Embryo
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Organism in the early stages of development; in humans, the embryonic stage extends from the 3rd to the 8th week of development
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Gastrulation
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Formation of the 3 primary germ layers
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Oogonium
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Primitive germ cell of the oocyte
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Endoderm
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Innermost of the 3 primary germ layers of the embryo
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