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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
    Access to important contact information for your department or hospital
  • Amnion - Wikipedia
    The amnion (pl : amnions or amnia) is a membrane that closely covers human and various other embryos when they first form It fills with amniotic fluid, which causes the amnion to expand and become the amniotic sac that provides a protective environment for the developing embryo
  • 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
  • Amniogenesis in embryos and stem cell models - Nature
    The amnion is a transient extra-embryonic tissue whose formation, known as amniogenesis, is vital to amniote embryogenesis
  • 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
  • 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
  • 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
  • What Is the Amnion and What Is Its Function? - Biology Insights
    The amnion is the thin but durable innermost membrane that surrounds and protects a developing embryo, and later the fetus, during pregnancy It is a component of the larger amniotic sac, which encloses the fetus and amniotic fluid
  • 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 - wikidoc
    The amnion is a membranous sac which surrounds and protects the embryo It is developed in reptiles, birds, and mammals, which are hence called “Amniota”; but not in amphibia and fish, which are consequently termed “Anamnia”





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