Medical Definition of xanthoma
plural xan·tho·mas also xan·tho·ma·ta \-mət-ə\play
: a fatty irregular yellow patch or nodule containing lipid-filled foam cells that occurs on the skin (as of the eyelids, neck, or back) or in internal tissue and is associated especially with disturbances of lipid metabolism
Seen and Heard
What made you want to look up xanthoma? Please tell us where you read or heard it (including the quote, if possible).