-cyst(redirected from -cystis)
Also found in: Medical.
n combining form
(Biology) indicating a bladder or sac: otocyst.
[from Greek kustis bladder]
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.