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Bladder; cyst; sac: cystocele.
cysto-or before a vowel
(Biology) indicating a cyst or bladder: cystocarp; cystoscope.
1. any abnormal saclike growth of the body in which matter is retained.
2. a bladder, sac, or vesicle.
a. a protective capsule or spore surrounding an inactive or resting organism or a reproductive body.
b. such a capsule and its contents.
[1705–15; < New Latin cystis < Greek kýstis pouch, bladder; akin to kŷma cyma]
var. of cysto-, before a vowel: cystectomy.
var. of cysto-, as final element in a word: statocyst.