[CYSTO- + Gr. λίθ-ος stone.]
1. Bot. A club-shaped stratified outgrowth of the walls of some cells, containing minute crystals of calcium carbonate.
1857. Henfrey, Elem. Bot., 503. Crystals accumulated on a clavate process called cystolithes.
1875. Bennett & Dyer, trans. Sachs Bot., 64. Masses of cellulose known as Cystoliths.
2. Path. Stone or calculus of the bladder (Syd. Soc. Lex.). Hence Cystolithic a. [in F. cystolithique], relating to stone in the bladder.
1846. Worcester cites Dunglison (Cystolithic).