Term: gill melanoma
Name: gill
Synonyms: gills
Definition: Compound organ that consists of gill filaments, gill lamellae, gill rakers and pharyngeal arches 3-7. The gills are responsible for primary gas exchange between the blood and the surrounding water.
Ontology: Anatomy Ontology [ZFA:0000354]

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]