| Name: | ventral fin fold | 
|---|---|
| Synonyms: | anal fin fold, tail fin fold, ventral fin | 
| Definition: | Region of the median fin fold that develops into the anal and caudal fin. | 
| Ontology: | Anatomy Ontology [ZFA:0001069] | 
| Name: | endothelial cell | 
|---|---|
| Synonyms: | endothelial cells | 
| Definition: | |
| Ontology: | Anatomy Ontology [ZFA:0009065] |