| Name: | proctodeum |
|---|---|
| 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 |
|---|---|
| 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] |