loading...| Preferred Name |
chorion membrane |
| Synonyms |
chorion (vertebrates) chorion uterine chorion chorion frondosum embryonic chorion fetal chorion chorionic sac |
| Definitions |
The outermost extraembryonic membrane of amniotes. This term refers to the amniote structure. It is distinct from the concept of chorion in insects |
| ID |
http://purl.obolibrary.org/obo/UBERON_0003124 |
| comment |
This term refers to the amniote structure. It is distinct from the concept of chorion in insects |
| database_cross_reference |
NCIT:C34124 NCIT:C34122 EHDAA2:0000245 Wikipedia:Chorion MESH:D002823 BTO:0000252 EV:0100121 UMLS:C0008503 EMAPA:16112 GAID:1299 UMLS:C1516505 FMA:80224 CALOHA:TS-0144 EHDAA:150 EFO:0002780 VHOG:0000200 |
| definition |
The outermost extraembryonic membrane of amniotes. |
| depicted_by |
http://upload.wikimedia.org/wikipedia/commons/5/51/Gray24.png |
| 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] |
| has_exact_synonym |
chorion (vertebrates) chorion uterine chorion embryonic chorion fetal chorion |
| has_obo_namespace |
uberon |
| has_related_synonym |
chorion frondosum chorionic sac |
| has_relational_adjective |
chorionic |
| 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:0003124 |
| in_subset |
http://purl.obolibrary.org/obo/uberon/core#uberon_slim http://purl.obolibrary.org/obo/uberon/core#human_reference_atlas |
| label |
chorion membrane |
| notation |
UBERON:0003124 |
| prefLabel |
chorion membrane |
| 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] |
| UBPROP_0000011 |
Extra-embryonic ectoderm |
| subClassOf |