1.ptyalith - calculus in a salivary glandcalculus, concretion - a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body; "renal calculi can be very painful"
ptyalith
enUK
ptyalith
(tī′ă-lĭth) [″ + lithos, stone] A salivary gland stone.