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hemochorial |
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hemochorial /he·mo·cho·ri·al/ (he″mo-kor´e-al) denoting a type of placenta in which maternal blood comes in direct contact with the chorion, as in humans. hemochorial a deciduate placenta characteristic of humans, many other primates and rodents. At parturition the maternal vascular endothelium of the uterus is shed, as well as uterine epithelium so that the chorionic cells are in direct contact with maternal blood. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Under such circumstances the presumed reproductive advantages offered by a hemochorial placenta (Campbell and Cameron 1998) and the occasionally menstruating uterus might have been enjoyed, with only the exceptional disadvantage of rarely developing uterine leiomyomas. |
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