Masto-



1.
a combining form meaning “breast,” used in the formation of compound words:
mastopathy.
combining form
1.
indicating the breast, mammary glands, or something resembling a breast or nipple: mastodon, mastoid

before vowels mast-, word-forming element meaning “breast,” from comb. form of Greek mastos “woman’s breast,” from madan “to be wet, to flow,” from PIE *mad- “wet, moist, dripping” (cf. Latin madere “be moist;” Albanian mend “suckle;” see mast (n.2)).

masto- or mast-
pref.
Breast; mammary gland; nipple: mastectomy.

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  • Mastocarcinoma

    [mas-toh-kahr-suh-noh-muh] /ˌmæs toʊˌkɑr səˈnoʊ mə/ noun, plural mastocarcinomas, mastocarcinomata [mas-toh-kahr-suh-noh-muh-tuh] /ˌmæs toʊˌkɑr səˈnoʊ mə tə/ (Show IPA). Pathology. 1. of the breast.

  • Mastocyte

    mastocyte mas·to·cyte (mās’tə-sīt’) n. See mast cell.



  • Mastocytoma

    mastocytoma mas·to·cy·to·ma (mās’tō-sī-tō’mə) n. pl. mas·to·cy·to·mas or mas·to·cy·to·ma·ta (-mə-tə) An accumulation or nodule of mast cells that resembles a tumor.

  • Mastocytosis

    [mas-toh-sahy-toh-sis] /ˌmæs toʊ saɪˈtoʊ sɪs/ noun, Pathology. 1. an overproduction of mast cells in body tissues. mastocytosis mas·to·cy·to·sis (mās’tō-sī-tō’sĭs) n. pl. mas·to·cy·to·ses (-sēz) A condition characterized by the abnormal proliferation of mast cells in the tissues.



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