- Pathology. a closed, bladderlike sac formed in animal tissues, containing fluid or semifluid matter.
- a bladder, sac, or vesicle.
- Botany, Mycology.
- a sporelike cell with a resistant, protective wall.
- a cell or cavity enclosing reproductive bodies.
- a sac, usually spherical, surrounding an animal that has passed into a dormant condition.
- such a sac plus the contained animal.
- a capsule or resistant covering.
Origin of cyst
- variant of cysto-, before a vowel: cystectomy.
- variant of cysto-, as final element in a compound word: statocyst.
Examples from the Web for cyst
In “The Incalculable Life Gesture,” an elementary school principal develops a cyst in his throat that may or may not be malignant.Quick Reads for the Asylum
August 13, 2009
Was it complacence or suspicion that stirred the liquid in the cyst so smoothly?
This case had not proceeded far enough for the formation of the cyst or pus.Cattle and Their Diseases
I had a cyst, of fifteen years' growth, on the back of my head.My Adventures with Your Money
George Graham Rice
Except venereal disorders and a cyst, which he had as a child, has never been ill.The Criminal
After emptying the cyst the gut was readily discovered and opened.
- pathol any abnormal membranous sac or blisterlike pouch containing fluid or semisolid material
- anatomy any normal sac or vesicle in the body
- a thick-walled protective membrane enclosing a cell, larva, or organism
- indicating a bladder or sacotocyst
Word Origin and History for cyst
1713, from Modern Latin cystis (in English as a Latin word from 1540s), from Greek kystis "bladder, pouch."
- An abnormal membranous sac containing a gaseous, liquid, or semisolid substance.
- A sac or vesicle in the body.
- A small capsulelike sac that encloses certain organisms in their dormant or larval stage.
- Variant ofcysto-
- An abnormal membranous sac in the body, containing a gaseous, liquid, or semisolid substance.
- A small, capsulelike form of certain organisms that develops in response to adverse or extreme conditions. Under adverse conditions, for instance, dinoflagellates form nonmotile resting cysts that fall to the ocean or lake bottom and can remain there for years before reviving. Certain invertebrates, such as the water bear (phylum Tardigrada), also develop cysts.
An abnormal saclike structure that develops in the body and is filled with fluid or semisolid material.