| Name: | caudal vertebra |
|---|---|
| Synonyms: | caudal vertebrae |
| Definition: | Vertebra bearing a hemal arch and spine. The most posterior caudal vertebrae support the caudal fin and are referred to as preural vertebrae. |
| Ontology: | Anatomy Ontology [ZFA:0000326] |
| Name: | hemal spine |
|---|---|
| Synonyms: | haemal spine |
| Definition: | Hemal spines are extensions of hemal arches in the ventral skeletogenous septum of the caudal region. |
| Ontology: | Anatomy Ontology [ZFA:0001364] |
| Name: | decreased amount |
|---|---|
| Synonyms: | decreased, decreased number, present in fewer numbers in organism, reduced, subnumerary |
| Definition: | An amount which is relatively low. |
| Ontology: | Phenotypic Quality Ontology [PATO:0001997] |