cyst

1. n. A pouch or sac without opening, usually membranous and containing morbid matter, which is accidentally developed in one of the natural cavities or in the substance of an organ. Source: opted

2. n. In old authors, the urinary bladder, or the gall bladder. Source: opted

3. n. One of the bladders or air vessels of certain algae, as of the great kelp of the Pacific, and common rockweeds (Fuci) of our shores. Source: opted

4. n. A small capsule or sac of the kind in which many immature entozoans exist in the tissues of living animals; also, a similar form in Rotifera, etc. Source: opted

5. n. A form assumed by Protozoa in which they become saclike and quiescent. It generally precedes the production of germs. See Encystment. Source: opted

6. n. a closed sac that develops abnormally in some body structure Source: wordnet

7. n. a small anatomically normal sac or bladderlike structure (especially one containing fluid) Source: wordnet

8. One of the bladders or air vessels of certain algæ, as of thegreat kelp of the Pacific, and common rockweeds (Fuci) of our shores.D. C. Eaton. Source: adambom

9. n:100 n. a closed sac that develops abnormally in some body structure Source: ecdict

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