| Term Name: | proctodeum |
|---|---|
| Synonyms: | anus |
| Definition: | An inward fold on the surface of the embryonic ectoderm that develops into part of the anal passage. |
| Appears at: | Segmentation:26+ somites (22.0h-24.0h) |
| Evident until: | Pharyngula:Prim-5 (24.0h-30.0h) |
| Ontology: | Anatomy Ontology [ZFA:0000066] |
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