hemochorial placenta

hemochorial placenta
a placenta in which maternal blood comes in direct contact with the chorion; this is the usual type seen in humans.

Medical dictionary. 2011.

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  • hémochorial — ● hémochorial, hémochoriale, hémochoriaux adjectif (grec khorion, membrane) Se dit du placenta des mammifères décidués, lorsque les villosités fœtales du placenta baignent dans des « lacs sanguins » de l utérus (rongeurs, insectivores, primates,… …   Encyclopédie Universelle

  • Placenta — Le placenta et le cordon ombilical. On remarque la forte vascularisation de la membrane. Le placenta est un organe unique qui connecte physiquement et biologiquement l embryon en développement à la paroi utérine. Durant toute la grossesse, le… …   Wikipédia en Français

  • Placenta — A temporary organ joining the mother and fetus, the placenta transfers oxygen and nutrients from the mother to the fetus, and permits the release of carbon dioxide and waste products from the fetus. It is roughly disk shaped, and at full term… …   Medical dictionary

  • Placenta — For the ancient Roman bread, see placenta (food). For the placenta of fruit, see placentation. Placenta Placenta Precursor …   Wikipedia

  • hemochorial — he·mo·cho·ri·al or chiefly Brit hae·ma·cho·ri·al .hē mə kōr ē əl, kȯr adj of a placenta having the fetal epithelium bathed in maternal blood <humans are hemochorial> * * * he·mo·cho·ri·al (he″mo korґe əl) [hemo + chorion]… …   Medical dictionary

  • Placenta — Menschliche Plazenta mit Fetus Plazenta im menschlichen Körper Die Plazenta (lat. placenta „Kuchen“, dt. auch „Mutterkuchen“) ist ein bei alle …   Deutsch Wikipedia

  • hemochorial — |hēmō, |hemō+ adjective Etymology: hem + chorial of a placenta : having fetal epithelium bathed in maternal blood the lower rodents, bats, some insectivores, and most primates including man are hemochorial compare endotheliochorial,… …   Useful english dictionary

  • Placentación — En Biología se denomina placentación a la formación, tipo y estructura, o disposición placentaria. La función de la placentación es trasferir nutrientes desde el tejido materno al embrión en crecimiento. La placentación se conoce mejor en las… …   Wikipedia Español

  • primate — primatal, adj., n. primatial /pruy may sheuhl/, primatical /pruy mat i keuhl/, adj. /pruy mayt/ or, esp. for 1, /pruy mit/, n. 1. Eccles. an archbishop or bishop ranking first among the bishops of a province or country. 2. any of various… …   Universalium

  • placental membrane — the semipermeable membrane that separates the fetal from the maternal blood in the placenta. In the human (hemochorial) placenta, it is composed of fetal vascular endothelium, connective tissue, cytotrophoblast, and syncytiotrophoblast, and it… …   Medical dictionary

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