Melano psis (melano psis)

[NL., Mela n(ia) + Gr. όψις, appearance.] us, appearance.] 1. The typical genus of Melanopsida. læ. M. cost at a is a Syrian species, said to be found in the Dead Sea. Mela not us 2. [l. c.; pl. melano psi des (-si-dēz).] A member of this genus. Mel an or rhea (mela-nō-rē'ä), n. [NL. (Wallich, 1830), melano sarcoma (mel"a-nō-sär-kō'mä), n.; pl. melano sarcomata (-ma-tä). [NL., λαν-), black, + σάρκωμα, sarcoma.] In pathol., a form of sarcoma characterized by the presence of dark pigment. It most frequently occurs in the skin and choroid coat of the eye, is usually formed of spindle shaped cells, and is very malignant.