litho-, lith-, -lith, -lithic, -lite, -liths, -lites

1. A hard stony mass of feces.
2. A hard mass of fecal matter in the intestine.

A stercolith can obstruct the appendix, leading to appendicitis. Fecaliths also can obstruct diverticuli. Also called: coprolith and fecalith.

1. A concretion on the hair; the lesion of piedra.

Piedra is either of two diseases resulting from fungal infection of the hair shafts. Black piedra occurs mainly in and on the hairs of the scalp and is caused by piedraia hortae; white piedra occurs in and on the hairs of the scalp, beard, moustache and genital areas and is caused by trichosporon beigelii.

2. A calcified hair ball within the stomach or intestines.

A massive prehistoric stone structure, resembling a doorway, consisting of two vertical stones with a third supported horizontally by the other two.

A procedure in which ultrasonic waves are used to facilitate the removal of urinary stones.

The surgical incision and removal of a stone (calculus) lodged in a ureter.

Presence of calculi in the urinary system.

The branch of medicine concerned with the formation, composition, effects, and removal of urinary calculi or "stones".

1. Another term for the process of printing a lithograph on a hard, flat surface. Originally the printing surface was a flat piece of stone that was etched with acid to form a surface that would selectively transfer ink to the paper; the stone has now been replaced, in general, with a metal plate.
2. A printing process in which the image to be printed is rendered on a flat surface, as on sheet zinc or aluminum, and treated to retain ink while the nonimage areas are treated to repel ink.