part of part of has part has part in taxon capable of part of capable of part of echolocation Cetacea head melon organ melon The melon is an ovoid-shaped, fatty organ found in the forehead of all toothed whales (odontocetes), including dolphins and porpoises (Cranford et al., 1996; Harper, C. J., et al., 2008) and believed to be used in echolocation. Wikipedia:Melon_(whale) UBERON:0008960 echolocation organ core of melon organ