Hemangiectasis
hemangiectasis he·man·gi·ec·ta·sis (hē’mān-jē-ěk’tə-sĭs)
n.
Dilation of the blood vessels.
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- Hemangio-
hemangio- or hemangi- pref. Blood vessel: hemangioma.
- Hemangioblast
hemangioblast he·man·gi·o·blast (hĭ-mān’jē-ō-blāst’) n. A primitive embryonic cell of mesodermal origin that produces cells giving rise to vascular endothelium, reticuloendothelial elements, and blood-forming cells.
- Hemangioblastoma
hemangioblastoma he·man·gi·o·blas·to·ma (hĭ-mān’jē-ō-blā-stō’mə) n. A benign, slowly growing, cerebellar neoplasm composed of capillary-forming endothelial cells. Also called angioblastoma.
- Hemangioendothelioblastoma
hemangioendothelioblastoma he·man·gi·o·en·do·the·li·o·blas·to·ma (hĭ-mān’jē-ō-ěn’dō-thē’lē-ō-blā-stō’mə) n. A hemangioendothelioma in which the endothelial cells occur in an immature form.
- Hemangioendothelioma
hemangioendothelioma he·man·gi·o·en·do·the·li·o·ma (hĭ-mān’jē-ō-ěn’dō-thē’lē-ō’mə) n. A neoplasm derived from blood vessels, characterized by numerous prominent endothelial cells that occur singly or in aggregates and line vascular tubes or channels.