1. A tumor that is made up of fatty foam cells.
  2. A benign yellow lesion under the skin which is caused by abnormal lipid deposits. Xanthomas are usually associated with conditions such as hyperlipidemia, diabetes, and liver problems.

From the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.

Xan*tho"ma (?), n. [NL. See Xantho-, and -oma.] (Med.)

A skin disease marked by the development or irregular yellowish patches upon the skin, especially upon the eyelids; -- called also xanthelasma.


© Webster 1913

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