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Definition
| Has greater oxygen-carrying capacity than adult blood |
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Definition
| Carries nutrient-rich, oxygenated blood from the placenta to the fetus |
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Definition
| Conducts about half the blood from the umbilical vein directly to the inferior vena cava, bypassing the liver |
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Definition
| Conveys a large proportion of the blood entering the right atrium from the inferior vena cava, through the atrial septum, and into the left atrium, bypassing the lungs |
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Term
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Definition
| Conducts some blood from the pulmonary trunk to the aorta, bypassing the lungs |
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Definition
| Carry the blood containing carbon dioxide and wastes from the internal iliac arteries to the placenta |
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Term
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Definition
| The cleavage embryo when the cell/blastomere count reaches 16 |
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Term
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Definition
| A hollowed out morula with no zona pellucida |
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Term
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Definition
| Proteolytic enzymes that digest part of the endometrium |
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Term
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Definition
| The two layers of trophoblast become part of the chorion as they undergo further growth |
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Definition
| no distinct cell boundaries |
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Definition
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Term
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Definition
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Term
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Definition
| Migrating cells from the hypoblasts becomes the wall of the yolk sac. The yolk sac will provide nutrients to the embryo during the 2-3 weeks of development. |
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Term
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Definition
| A small cavity appears and enlarges to form the amniotic cavity. Forms the roof of the disc, then surrounds the embryo. |
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Term
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Definition
| Gives rise to nervous system and epidermis |
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Term
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Definition
| Gives rise to connective tissues, muscle, and bone |
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Term
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Definition
| Gives rise to gastrointestinal tract, urinary bladder and urethra, and respiratory tract (luminal structures) |
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