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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
  • Amion
    Amion is the enterprise source of truth for on-call scheduling, trusted by thousands of healthcare organizations Flexible, secure, and easy to integrate
  • Amnion - Wikipedia
    The amnion (pl : amnions or amnia) is a membrane that closely covers human and various other embryos when they first form [1] 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 The amnion, along with the chorion, the yolk sac and the allantois protect the embryo In birds, reptiles and
  • 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 In development, the amnion arises by a folding of a mass of extra-embryonic
  • 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
  • Fetal membranes - Wikipedia
    The fetal membranes are the four extraembryonic membranes associated with the developing embryo and fetus in humans and other mammals They are the amnion, chorion, allantois, and yolk sac [1] The amnion and the chorion are the chorioamniotic membranes that make up the amniotic sac, which surrounds and protects the embryo [2] The fetal membranes are four of six accessory organs developed by
  • Amniotic Membrane: Anatomy, Function Conditions
    Function What does the amniotic membrane do? 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 This makes the amniotic membrane an essential part of the fetal development process
  • Amnion - Definition, Function and Quiz | Biology Dictionary
    Amnion Definition The amnion is an extraembryonic membrane that surrounds a developing amniote embryo It acts as a protective sac along with three other extraembryonic membranes: the chorion, the yolk sac, and the allantois The membranes are then enclosed further by a shell (in birds, reptiles, and some mammals) or in a uterus (in most mammals)
  • Amniota | Vertebrates, Tetrapods Mammals | Britannica
    Amniota, a group of limbed vertebrates that includes all living reptiles (class Reptilia), birds (class Aves), mammals (class Mammalia), and their extinct relatives and ancestors The amniotes are the evolutionary branch (clade) of the tetrapods (superclass Tetrapoda) in which the embryo develops within a set of protective extra-embryonic membranes —the amnion, chorion, and allantois The





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