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23 Cards in this Set
- Front
- Back
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What do you call the fusion of male and female gametes |
Fertilization |
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How long does a human oocyte usually fertilized |
12 hours |
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Oocyte cannot be fertilized after how many hours? |
24hrs |
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A human sperm does not survive for more than? |
48hrs |
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Sperm must undergo ____ to fertilized an egg |
Capacitation |
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Where does capacitation occur in the female reproductive organ |
Female reproductive tract |
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How long does capacitation undergoes |
7-8 hours |
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Site of fertilization |
Ampulla |
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Attract the sperm |
Chemical signals |
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Stage 1 of Fertilization |
Passage of sperm through corona radiata |
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Stage 2 of Fertilization |
Penetration of zona pellucida |
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What Stage of Fertilization Fusion of plasma membranes of oocyte and the sperm. |
Stage 3 |
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What stage of Fertilization Completion of second meiotic division of the secondary oocyte and formation of female pronucleus |
Stage 4 |
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What stage of Fertilization Formation of male pronucleus |
Stage 5 |
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What stage of Fertilization Fusion and pronuclei and formation of the zygote and preparation of first mitotic division |
Stage 6 |
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Determined at the time of fertilization |
Embryo's chromosomal sex |
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Repeated mitotic division of the zygote |
Cleavage |
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Where is the zygote during cleavage |
Zona pellucida |
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After 8 cell stage stage, the cells become compactly arranged |
Compaction |
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16 cell stage is called |
Morula |
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Fluid filled space appears inside the morula |
Blastocele |
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gives rise to embryonic part of placenta.
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Trophoblast |
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which gives rise to the embryo. |
Inner cell mass |
