Term
| What is the difference between fraternal and identical twins |
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Definition
| fraternal is when two eggs get fertlizaed (with separate placenta) WHILE indetical twins is when the embroy splits in to in the same placenta |
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Term
| what is unique about the mitosis for emryology |
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Definition
| the newer cells get smaller than the orginial cells but keeping the same nucleus size FOR GAS AND NUTRITION EXCHANGE |
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Term
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Definition
| after the initial cell division of the resulting daughter cells is not determined each has the potential to develop into an entire organism.(i-twins) |
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Term
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Definition
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Term
| differientation for embryology |
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Definition
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Term
| how much time does is allowed for the egg to be ferlized after ovlation |
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Definition
| 12-24 hours after ovulation |
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Term
| does the cell division increase or decrease overtime |
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Definition
| increases doubling speed per division |
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Term
| what are the steps of cell division for embryo |
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Definition
| a solid ball of cells: morula then blastulation occurs when a fluid cavity enters the cell and forms a hallow blastula THEN a grastula is formed via gastrulation (formation of endoderms, ectoderms, mesoderm) |
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Term
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Definition
| epidemis, eyes, hair, nervous system (OUTSIDE PART OF CURVE) |
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Term
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Definition
| digestive, respitory tracts (INNER CURVE OF GASTRULA) |
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Term
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Definition
| muscoskeletal system, circulatory, excretory, gonads, connective tissue, some respitory and digestive (IN BETWEEN ENDO AND ECTO) |
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Term
| what animals lays eggs that are fertilized externally in the water |
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Definition
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Term
| what animals have yolk in eggs |
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Definition
| reptiles, birds, and monotremes |
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Term
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Definition
| outer membrane within shell, used for gas exchange |
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Term
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Definition
| sac within yolk used for respiration and excretion of wastes |
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Term
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Definition
| fluid protection in the egg |
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Term
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Definition
| encloses the embryo for nutrition |
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Term
| what are special about marsiupial embryology |
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Definition
| develop outside placenta which makes them very young when born due to limited transfer of ___s |
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Term
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Definition
| to transfer nutrition, gas, and waste exchange |
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Term
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Definition
| transfer of nutritious and oxgenated to embryo |
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Term
| how exactly does labor occur |
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Definition
| 1cervix thins and dilates 2amniotic sac raptures 3uterine contractions 4cutting of umbilical chord and placenta |
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