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tophus

(tō′fəs)

noun pl. tophi

Med. an abnormal mineral deposit, as of calcium carbonate, about the joints, on the roots of the teeth, etc., in a person who has the gout; chalkstone

Origin: L, tufa

See tophus in American Heritage Dictionary 4

noun pl. to·phi (-fī)

A deposit of urates in the skin and tissue around a joint or in the external ear, occurring in gout. Also called chalkstone.
A concretion of mineral salts and organic matter deposited on the surface of the teeth.

Origin:

Origin: Latin tōphus, tufa

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