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.
tophus to·phus (tō'fəs) n. pl. to·phi (-fī)
A deposit of urates in the skin and tissue around a joint or in the external ear.
Dental calculus; tartar.