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placentation    
胎盘形成; 胎座式

胎盘形成; 胎座式

placentation
n 1: the formation of the placenta in the uterus
2: arrangement of the ovules in the placenta and of the
placentas in the ovary

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  • Human placentation: foundations and implications for reproductive . . .
    Placental pathologies, designated collectively as malplacentation, arise when deficiencies occur at the maternal-fetal interface that impede efficient exchange Understanding placental development is crucial in the practice of reproductive endocrinology and infertility
  • Prenatal development - Implantation, Placentation | Britannica
    Prenatal development - Implantation, Placentation: Six to 10 days after fertilization, the naked sticky blastocyst comes into contact with the uterine lining and adheres to it The site of attachment is variable and not predetermined
  • What Is Placentation and How Does It Work? - Biology Insights
    Placentation refers to the biological process involving the placenta’s formation, structure, and arrangement within the uterus This process establishes the connection between a developing embryo or fetus and the maternal body
  • Abnormal Placentation - UChicago Medicine
    In some rare cases, the placenta can attach deeply into the uterus and or invade through it to surrounding organs Known as abnormal placentation, this condition can make it difficult to remove the placenta from the uterus after birth — presenting a serious health risk for the mother
  • Placentation - an overview | ScienceDirect Topics
    Placentation is an interaction between the outer membrane of the embryonic vesicle, the chorion, and the uterine lining It progresses through stages of apposition, adhesion and attachment, culminating in the development of a physical union between the embryonic membrane and the uterine lining
  • Molecular Insights into Human Placentation: From Villous . . . - MDPI
    Placental health is therefore critical for pregnancy success, with defective placentation representing a central mechanism underlying the “great obstetrical syndromes,” including preeclampsia (PE), intrauterine growth restriction (IUGR), placenta accreta spectrum (PAS), preterm birth, and stillbirth [2, 3]
  • Frontiers | Establishment of the fetal-maternal interface . . .
    Upon the establishment of placentation during the first trimester, the intervillous space is filled with fluid that contains substantial substances secreted by the uterine glands
  • Placentation Explained: Definition, Examples, Practice Video Lessons
    Placentation refers to the process of forming the placenta, which begins during the implantation phase and continues throughout the fetal development period By the time of delivery, typically around 40 weeks, the placenta can weigh between 1 to 2 pounds, indicating its substantial growth
  • Mechanisms of early placental development in mouse and humans
    This Review summarizes our current understanding of the molecular, genetic and epigenetic regulation of normal placentation, largely based on insights from the mouse model, and outlines the new





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