amnion
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. [ MP:0005029 http://www.informatics.jax.org/accession/csmith ]
Synonyms: amnios
Term info
- EHDAA2:0000116
- BTO:0000065
- NCIT:C12365
- FMA:80223
- MESH:D000650
- SCTID:181457005
- EHDAA:136
- VHOG:0000721
- GAID:1298
- EMAPA:16109
- Wikipedia:Amnion
- UMLS:C0002630 (ncithesaurus:Amnion)
- CALOHA:TS-0033
- EV:0100122
pheno_slim, human_reference_atlas
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]
Structures homologous to the four extraembryonic membranes of reptiles and birds appear in mammals: amnion, chorion, yolk sac, and allantois.[well established][VHOG]
amniotic
http://upload.wikimedia.org/wikipedia/commons/e/e7/Gray14.png
uberon
UBERON:0000305
Amnion
http://purl.obolibrary.org/obo/NCBITaxon_9606
Term relations
- extraembryonic membrane
- protein-containing material entity
- mesoderm-derived structure
- has part some amniotic mesoderm
- has part some amniotic ectoderm
- only in taxon some Amniota
- has developmental contribution from some somatic layer of lateral plate mesoderm
- develops from some amniotic fold
- surrounds some embryo
- has developmental contribution from some ectoderm