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a benign tumor consisting chiefly of dilated or newly formed blood vessels (hemangioma) or lymph vessels (lymphangioma)
noun (pl) -mas, -mata (-mətə)
a tumour consisting of a mass of blood vessels (haemangioma) or a mass of lymphatic vessels (lymphangioma)

1867, medical Latin, from angio- + -oma.

angiomatous an·gi·o·ma·tous (ān’jē-ō’mə-təs, -ŏm’ə-)
Relating to or resembling an angioma.

angioma an·gi·o·ma (ān’jē-ō’mə)
n. pl. an·gi·o·mas or an·gi·o·ma·ta (-mə-tə)
A tumor composed chiefly of lymphatic vessels or blood vessels.


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  • Angiomegaly

    angiomegaly angiomegaly an·gi·o·meg·a·ly (ān’jē-ō-měg’ə-lē) n. Enlargement of blood vessels, especially in the eyelids.

  • Angiomyoma

    angiomyoma angiomyoma an·gi·o·my·o·ma (ān’jē-ō-mī-ō’mə) n. See vascular leiomyoma.

  • Angiomyoneuroma

    angiomyoneuroma angiomyoneuroma an·gi·o·my·o·neu·ro·ma (ān’jē-ō-mī’ō-nu-rō’mə, -nyu-) n. See glomus tumor.

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