| 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: | melanoma | 
|---|---|
| Synonyms: | melanosarcoma, melanosarcoma, malignant melanoma | 
| Definition: | Tumor of neurectodermal origin, usually melanocytes, showing dense deposition of melanin granules, although amelanotic melanomas have been reported. (M-8720/3). | 
| Ontology: | MPATH [MPATH:359] |