hemangioma

(hē man′jē ō)

noun pl. hemangiomata or hemangiomas

a benign tumor, lesion, or birthmark consisting of dense clusters of blood vessels

See hemangioma in American Heritage Dictionary 4

noun pl. he·man·gi·o·mas also he·man·gi·o·ma·ta (-mə-tə)
A benign skin lesion consisting of dense, usually elevated masses of dilated blood vessels.

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