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amnion    
n. 羊膜[包围胎儿的膜]

羊膜[包围胎儿的膜]

amnion
n 1: thin innermost membranous sac enclosing the developing
embryo of higher vertebrates (reptiles, birds and mammals)
[synonym: {amnion}, {amniotic sac}, {amnios}]

Amnion \Am"ni*on\, n. [Gr. ? the membrane round the fetus, dim.
of ? lamb.] (Anat.)
A thin membrane surrounding the embryos of mammals, birds,
and reptiles.
[1913 Webster]


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  • Amion
    We would like to show you a description here but the site won’t allow us
  • Amnion - Wikipedia
    The amnion is a feature of the vertebrate clade Amniota, which includes reptiles, birds, and mammals Amphibians and fish lack the amnion and thus are anamniotes (non-amniotes)
  • Amnion | Fetal Membrane, Embryonic Sac Placental Development | Britannica
    Amnion, in reptiles, birds, and mammals, a membrane forming a fluid-filled cavity (the amniotic sac) that encloses the embryo The amniotic sac and the fluid it contains are sometimes referred to as the bag of waters
  • Amniotic Membrane: Anatomy, Function Conditions
    The amnion plays a critical role in the health of the fetus’s amniotic sac Without the amniotic membrane, an amniotic sac wouldn’t be able to form and expand, contain amniotic fluid and hold a growing fetus
  • AMNION Definition Meaning - Merriam-Webster
    The meaning of AMNION is a thin membrane forming a closed sac about the embryos or fetuses of reptiles, birds, and mammals and containing the amniotic fluid
  • What Is the Amnion? Structure, Function, and Complications
    The amnion is the innermost membrane that surrounds a developing embryo and fetus inside the uterus This thin, tough sac fills with amniotic fluid, creating a protective, fluid-filled environment known as the amniotic sac or “bag of waters ”
  • Chorion and Amnion: Functions and Significance in Pregnancy
    The amnion is the innermost membrane, directly enclosing the developing fetus and amniotic fluid This thin, transparent sac expands as pregnancy progresses, providing a specialized environment for growth
  • Amnion - an overview | ScienceDirect Topics
    Amnion is defined as a thin membrane that surrounds the fetus within the amniotic sac, known for its immune-privileged properties and its role in protecting and nurturing the developing embryo
  • Atlas of amnion development during the first trimester of human . . .
    The amnion is a critical extra-embryonic structure that supports foetal development, yet its ontogeny remains poorly defined Here, using single-cell transcriptomics, we identified major cell types and subtypes in the human amnion across the first
  • 27. 3C: Amnion Development - Medicine LibreTexts
    The amnion is a closed sac appearing in the inner cell mass as a cavity This cavity is roofed in by a single stratum of flattened, ectodermal cells called the amniotic ectoderm





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