Cyst

[sɪst]

Definition

(noun.) a closed sac that develops abnormally in some body structure.

Typist: Pierce--From WordNet

Definition

(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.

(n.) In old authors, the urinary bladder, or the gall bladder.

(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.

(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.

(n.) A form assumed by Protozoa in which they become saclike and quiescent. It generally precedes the production of germs. See Encystment.

Edited by Angelina

Synonyms and Synonymous

n. Pouch, sac.

Checker: Willa

Definition

n. a bag in animal bodies containing morbid matter.—adjs. Cyst′ic Cyst′iform Cystoid′ having the form of or contained in a cyst or bag.—ns. Cys′ticle a small cyst; Cystī′tis inflammation of the bladder; Cys′tocele a hernia formed by the protrusion of the bladder; Cystō′ma a tumour containing cysts; Cystot′omy the operation of cutting into the bladder to remove extraneous matter.

Edited by Cheryl