| 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. |
| Ontology: | Anatomy Ontology [ZFA:0000671] |
| Name: | vascular lymphangioblast |
|---|---|
| Synonyms: | parachordal lymphangioblast |
| Definition: | Lymphatic progenitor cells, derived from the veins, that give rise to lymphatic endothelial cells. |
| Ontology: | Anatomy Ontology [ZFA:0009395] |