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X-ray

A type of electromagnetic radiation used to produce images of the body.

xanthelsma

A yellow deposit of fatty material that is visible in the skin around the eyes. This is common in elderly people and merely cosmetic but in younger people it can suggest hyperlipidaemia.

xanthoma

A yellowish deposit of fatty material in the skin.

xanthomata

A yellowish-orange, lipid-filled nodule in the skin.