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amnion

am·ni·on
A a

Transcription

    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [am-nee-uh n]
    • /ˈæm ni ən/
    • /ˈamniən/
    • US Pronunciation
    • US IPA
    • [am-nee-uh n]
    • /ˈæm ni ən/

Definitions of amnion word

  • noun amnion the innermost of two membranes enclosing an embryonic reptile, bird, or mammal 3
  • noun amnion the innermost membrane of the sac enclosing the embryo of a mammal, reptile, or bird: it is filled with a watery fluid (amniotic fluid) 3
  • noun amnion a similar membrane of certain invertebrates, esp. insects 3
  • noun plural amnion Anatomy, Zoology. the innermost of the embryonic or fetal membranes of reptiles, birds, and mammals; the sac in which the embryo is suspended. 1
  • noun plural amnion Zoology. a similar membrane of insects and other invertebrates. 1
  • noun amnion The innermost membrane that encloses the embryo of a mammal, bird, or reptile. 1

Information block about the term

Origin of amnion

First appearance:

before 1660
One of the 46% oldest English words
1660-70; < Greek, equivalent to amn(ós) lamb (see yean) + -ion diminutive suffix

Historical Comparancy

Parts of speech for Amnion

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation

amnion popularity

A common word. It’s meaning is known to most children of preschool age. About 81% of English native speakers know the meaning and use the word.
This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

amnion usage trend in Literature

This diagram is provided by Google Ngram Viewer

Synonyms for amnion

noun amnion

  • afterbirth — the placenta and fetal membranes expelled from the uterus after the birth of the offspring
  • placenta — Anatomy, Zoology. the organ in most mammals, formed in the lining of the uterus by the union of the uterine mucous membrane with the membranes of the fetus, that provides for the nourishment of the fetus and the elimination of its waste products.
  • water bag — a bag, sometimes made of skin, leather, etc, but in Australia usually canvas, for holding, carrying, and keeping water cool
  • amniotic sac — membrane around embryo or foetus

Top questions with amnion

  • what is an amnion?
  • what is the function of the amnion?
  • what is amnion?
  • what is the amnion?
  • what does amnion mean?
  • which medical term means amnion flow?

See also

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