| Name: | post-vent region |
|---|---|
| Synonyms: | tail |
| Definition: | Organism subdivision which is the part of the body posterior to the vent which includes the anal and caudal fins. |
| Ontology: | Anatomy Ontology [ZFA:0001117] |
| Name: | segmental plate |
|---|---|
| Synonyms: | presomitic mesoderm, PSM |
| Definition: | Unsegmented field of paraxial mesoderm present posterior to the most recently formed somite pair, from which somites will form. |
| Ontology: | Anatomy Ontology [ZFA:0000279] |