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metastasis

play
noun me·tas·ta·sis \mə-ˈtas-tə-səs\

Definition of metastasis

plural metastasesplay \-ˌsēz\

  1. 1 a :  change of position, state, or form b :  the spread of a disease-producing agency (as cancer cells) from the initial or primary site of disease to another part of the body; also :  the process by which such spreading occurs

  2. 2 :  a secondary malignant tumor resulting from metastasis

metastatic play \ˌme-tə-ˈsta-tik\ adjective
metastatically play \-ti-k(ə-)lē\ adverb


Origin of metastasis

New Latin, from Late Latin, transition, from Greek, from methistanai to change, from meta- + histanai to set — more at stand


First Known Use: 1663


Medical Dictionary

metastasis

play
noun me·tas·ta·sis \mə-ˈtas-tə-səs\

Medical Definition of metastasis

plural metastases \-ˌsēz\play

  1. 1a:  change of position, state, or formb:  the spread of a disease-producing agent (as cancer cells or bacteria) or disease from the initial or primary site of disease to another part of the body <The overwhelming concern about prostate cancer is its potential for metastasis—for cells to escape the gland and take root in lymph nodes, bones, lungs, skin, or other tissue.—Tom Alexander, Fortune, 20 Sept. 1993>; also :  the process by which such spreading occurs

  2. 2:  a secondary malignant tumor resulting from metastasis <… radiation has no known effect on distant metastases from breast cancer …—David Plotkin, The Atlantic Monthly, June 1996>




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