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amnion

Go to external page http://purl.obolibrary.org/obo/UBERON_0000305

the thin innermost layer of the extraembryonic membranes that contains the amniotic fluid; the membrane forms a closed sac in which the embryo and later, the fetus, is suspended and protected [ http://www.informatics.jax.org/accession/csmith ]

Synonyms: amnios

This is just here as a test because I lose it

Term information

database cross reference
Subsets

pheno_slim

depicted by

http://upload.wikimedia.org/wikipedia/commons/e/e7/Gray14.png

external definition

A thin but tough extraembryonic membrane of reptiles, birds and mammals that lines the chorion and contains the fEtus and the amniotic fluid around it. [Biology_Online][VHOG]

homology notes

Structures homologous to the four extraembryonic membranes of reptiles and birds appear in mammals: amnion, chorion, yolk sac, and allantois.[well established][VHOG]

id

UBERON:0000305