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ectoplacental cavity

^ http://purl.obolibrary.org/obo/UBERON_0008851


Closed space within the ectoplacental cone, formed by the fusion of the parts of the amniotic fold that separate it from the amniotic cavity[MP]. a developmental cavity that exists in some mammals and is derived by division of the proamniotic space; it is further removed from the embryo than the amniotic cavity in some mammals. [ http://www.medilexicon.com/medicaldictionary.php?s=epamniotic+cavity MP:0011207 ]

Synonyms: epamniotic cavity