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Experimental Factor Ontology
Last uploaded:
December 16, 2024
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| Preferred Name | chorion membrane | |
| Synonyms |
chorionic sac chorion frondosum uterine chorion chorion (vertebrates) embryonic chorion fetal chorion chorion |
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| Definitions |
The outermost extraembryonic membrane of amniotes. This term refers to the amniote structure. It is distinct from the concept of chorion in insects |
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| ID |
http://purl.obolibrary.org/obo/UBERON_0003124 |
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| comment |
This term refers to the amniote structure. It is distinct from the concept of chorion in insects
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| database_cross_reference |
UMLS:C1516505 NCIT:C34122 NCIT:C34124 EFO:0002780 VHOG:0000200 EHDAA2:0000245 BTO:0000252 MESH:D002823 CALOHA:TS-0144 EMAPA:16112 Wikipedia:Chorion UMLS:C0008503 EHDAA:150 EV:0100121 FMA:80224 GAID:1299
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|
| definition |
The outermost extraembryonic membrane of amniotes.
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| depiction |
http://upload.wikimedia.org/wikipedia/commons/5/51/Gray24.png |
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| external_definition |
The outer membrane of the two membranes enclosing the embryo in reptiles, birds, and mammals. In placental mammals it contributes to the development of the placenta[BTO:0000252]. The outer membrane enclosing the embryo in reptiles, birds, and mammals. [TFD][VHOG]
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| has_exact_synonym |
uterine chorion chorion (vertebrates) embryonic chorion fetal chorion chorion
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| has_obo_namespace |
uberon
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| has_related_synonym |
chorionic sac chorion frondosum
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| has_relational_adjective |
chorionic
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| 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]
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| id |
UBERON:0003124
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| in_subset |
http://purl.obolibrary.org/obo/uberon/core#mouse_subset http://purl.obolibrary.org/obo/uberon/core#human_reference_atlas http://purl.obolibrary.org/obo/uberon/core#efo_slim http://purl.obolibrary.org/obo/uberon/core#human_subset |
|
| label |
chorion membrane
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|
| notation |
UBERON:0003124
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| preferred label |
chorion membrane
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| prefLabel |
chorion membrane
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| RO_0002175 | ||
| taxon_notes |
The chorion of placentals is bilaminar as in reptiles and birds, but forms from the trophoblast and includes the ajdacent mesodermal layer [ISBN:0073040584]
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| UBPROP_0000011 |
Extra-embryonic ectoderm
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| subClassOf |
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