| Term Name: | horizontal myoseptum |
|---|---|
| Synonyms: | horizontal septum |
| Definition: | A connective tissue partition developing at the apex of the chevron-shaped myotome and separating dorsal (epaxial) and ventral (hypaxial) body wall muscle masses. |
| Appears at: | Segmentation:26+ somites (22.0h-24.0h) |
| Evident until: | Adult (90d-730d, breeding adult) |
| Ontology: | Anatomy Ontology [ZFA:0000671] |
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