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19 Cards in this Set
- Front
- Back
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Three key process of embryonic development |
1. cell division 2. differentiation 3. morphogenesos |
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events in fertilization |
1. acrosomal reaction
2. cortical reaction 3. activation of the egg |
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A protein on the surface of the acrosomal process |
bindin |
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early stage sof embryonic ddevelopment |
cleavage gastrulation organogenesis |
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complete division of eff with little or moderate amount of yolk |
holoblastic |
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incomplete cleavage due o yolk rich egg |
meroblastic |
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upper cells align with lower cells |
radical cleavage |
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upper cells arent directly aligned with lower cells |
spiral cleavage |
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epidermis skin hair scales brain spinal cored |
ectoderm |
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circulatory system dermis muscles skeleton kidney gonads |
mesoderm |
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thyroid liver pancreas |
endoderm |
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individual development |
ontogeny |
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evolution |
phylogeny |
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female and male gamtes form a zygote |
fertilization |
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the zygote divides into many cells |
cleavage |
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cell of zygote move to form the three layers |
gastrulation |
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formation of notochord then the dorsal nerve cord |
neurulation |
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development of vertebrate structures |
neural chest formation |
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production of organs |
organogenesis |
