Name: | proctodeum |
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Synonyms: | anus |
Definition: | An inward fold on the surface of the embryonic ectoderm that develops into part of the anal passage. |
Ontology: | Anatomy Ontology [ZFA:0000066] |
Name: | anatomical region |
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Synonyms: | |
Definition: | A 3D region in space without well-defined compartmental boundaries; for example, the dorsal region of an ectoderm. |
Ontology: | Spatial Ontology [BSPO:0000070] |
Name: | unfused from |
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Synonyms: | unfused |
Definition: | A structural quality inhering in a bearer by virtue of the bearer's being no longer merged with another entity. |
Ontology: | Phenotypic Quality Ontology [PATO:0000651] |
Name: | cloacal chamber |
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Synonyms: | cloaca lumen |
Definition: | Space proximal to the urogenital pore where the pronephric duct, intestine and the oviduct or sperm duct empties. |
Ontology: | Anatomy Ontology [ZFA:0000330] |