- endothelioma
- Generic term for a group of neoplasms, particularly benign tumors, derived from the endothelial tissue of blood vessel s or lymphatic channels; endotheliomas may be benign or malignant. [endothelium + -oma, tumor]
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en·do·the·li·o·ma -.thē-lē-'ō-mə n, pl -mas also -ma·ta -mət-ə a tumor developing from endothelial tissue* * *
n.any tumour arising from or resembling endothelium. It may arise from the linings of blood or lymph vessels (haemangioendothelioma and lymphangioendothelioma respectively); from the linings of the pleural cavity or the peritoneal cavity (see mesothelioma); or from the meninges (see meningioma).* * *
en·do·the·li·o·ma (en″do-the″le-oґmə) [endothelium + -oma] any tumor, particularly a benign one, that originates from the endothelial linings of blood vessels (hemangioendothelioma) or lymphatics (lymphangioendothelioma).
Medical dictionary. 2011.