The chorion is the outermost fetal membrane around the embryo in mammals, birds and reptiles (amniotes). It develops from an outer fold on the surface of the yolk sac, which lies outside the zona pellucida (in mammals), known as the vitelline membrane in other animals. In insects it is developed by the … See more In humans and other mammals (excluding monotremes), the chorion is one of the fetal membranes that exist during pregnancy between the developing fetus and mother. The chorion and the amnion together form the See more • Choriogenesis • Chorioamnionitis, an inflammation of the chorion and amnion, usually due to bacterial infection • Chorionic hematoma • Gestational trophoblastic disease, any abnormal proliferation of the trophoblasts, including choriocarcinoma, a highly invasive cancer. See more In reptiles, birds, and monotremes, the chorion is one of the four extraembryonic membranes that make up the amniotic egg that provide for the nutrients and protection needed … See more • Histology image: 19903loa – Histology Learning System at Boston University — "Female Reproductive System: placenta, chorionic plate" See more

Chorion Definition & Meaning Dictionary.com

WebBackground: The chorionic plate forms the fetal side of the placental disc, and its proper growth and development is important to the formation of a normal placenta. … WebMay 23, 2024 · Citation, DOI, disclosures and article data. The chorionic plate is a synonym for the fetal side of the placenta. The maternal side of the placenta is termed the basal … norse information storage

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WebAug 7, 2024 · The main difference between chorion and placenta is that chorion is the outermost fetal membrane, covering the embryo of mammals, reptiles, and birds … Webchorionic plate: that portion of the chorionic wall in the region of its uterine attachment, which gives rise to chorionic villi; it consists of the mesoderm that lines the chorionic vesicle … WebNär placentans tillväxt resulterar i en onormal form kallas det circumvallate placenta. Här är placentans chorionplatta för liten. När den chorioniska plattan är för liten dubblerar membranen på fostersidan tillbaka under utvecklingen. Det sker runt placentans kanter. Detta leder ibland till att fostret får mindre näring. norse in french