Melanoma and Sarcoma

Melanoma

Melanoma (from Greek μέλας — melas, "dark") is a malignant tumor of melanocytes. Melanocytes produce the dark pigment, melanin, which is responsible for the color of skin.

melanoma n : any of several malignant neoplasms (usually of the skin) consisting of melanocytes [syn: {malignant melanoma}] [also: {melanomata} (pl)]

Melanoma \Mel`a*no"ma\, n.; L. pl. {-nomata}. [NL.; Gr. ?, ?, black + -oma.] (Med.) (a) A tumor containing dark pigment. Such tumors are usually malignant and often fatal. (b) Development of dark-pigmented tumors. [Webster 1913 Suppl. +PJC]

malignant melanoma \malignant melanoma\ n. (Med.), Any of several malignant neoplasms (usually of the skin) consisting of melanocytes; called also {melanoma}. It is classed as a type of skin cancer. [WordNet 1.5]

Sarcoma

A sarcoma (from the Greek sarx (σάρκα) meaning "flesh") is a cancer that arises from transformed cells of mesenchymal origin.

sarcoma n : a usually malignant tumor arising from connective tissue (bone or muscle etc.); one of the four major types of cancer

25 Moby Thesaurus words for "sarcoma": benign tumor, callosity, callus, cancer, carcinoma, corn, cyst, excrescence, fungosity, fungus, growth, intumescence, malignant growth, metastatic tumor, mole, morbid growth, neoplasm, nevus, nonmalignant tumor, outgrowth, proud flesh, tumor, verruca, wart, wen

Sarcoma \Sar*co"ma\, n.; pl. L. {Sarcomata} (# or #), E. {sarcomas}. [NL., from Gr. ?, from sa`rx, sa`rkos, flesh.] (Med.) A tumor of fleshy consistence; -- formerly applied to many varieties of tumor, now restricted to a variety of malignant growth made up of cells resembling those of fetal development without any proper intercellular substance. [1913 Webster]

Data Sources:

  • melanoma: WordNet (r) 2.0
  • melanoma: The Collaborative International Dictionary of English v.0.44
  • melanoma: The Collaborative International Dictionary of English v.0.44
  • sarcoma: WordNet (r) 2.0
  • sarcoma: Moby Thesaurus II by Grady Ward, 1.0
  • sarcoma: The Collaborative International Dictionary of English v.0.44

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