AMNION (amnia)

Pronunciation (US):

(GB):

Irregular inflected form: amnia   

 Dictionary entry overview: What does amnion mean? 

• AMNION (noun)
  The noun AMNION has 1 sense:

1. thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)

  Familiarity information: AMNION used as a noun is very rare.

 Dictionary entry details 

• AMNION (noun)

Sense 1

Meaning:

Thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)

Classified under:

Nouns denoting animals

Synonyms:

amnion; amnios; amniotic sac

Hypernyms ("amnion" is a kind of...):

sac (a structure resembling a bag in an animal)

Domain category:

mammal; mammalian (any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk)

Holonyms ("amnion" is a part of...):

amniote (any member of the Amniota)

fetal membrane (any membrane that functions for the protection or nourishment or respiration or excretion of a developing fetus)

Derivation:

amnic; amnionic; amniotic (of or related to the amnion or characterized by developing an amnion)

 Context examples 

Inflammation of the fetal sac membranes that is characterized by neutrophilic infiltration of the amnion and chorion.

(Histologic Chorioamnionitis, NCI Thesaurus)

Administration of the drug within the amnion.

(Intraamniotic Route of Administration, NCI Thesaurus)

An inflammatory process involving the chorion, its fetal blood vessels, the umbilical cord, and the amnion by extension of the inflammation, as the amnion itself has no blood supply.

(Chorioamnionitis, NLM, Medical Subject Headings)

It is characterized by neutrophilic infiltration of the amnion and chorion.

(Chorioamnionitis, NCI Thesaurus)

The fluid-filled space within the amnion that contains the developing fetus.

(Amniotic Cavity, NCI Thesaurus)

It is initially produced by the amnion and then later by the lungs and kidneys.

(Amniotic Fluid, NCI Thesaurus)

Administration within the amnion.

(Intraamniotic Route of Administration, Food and Drug Administration/CDISC)

Inflammation of the amnion.

(Amnionitis, NCI Thesaurus)