Definition of cyst

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Cyst (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..

Lern More About Cyst

Wem :: Wem (n.) An indolent, encysted tumor of the skin; especially, a sebaceous cyst..
Somatocyst :: Somatocyst (n.) A cavity in the primary nectocalyx of certain Siphonophora. See Illust. under Nectocalyx.
Cystoid :: Cystoid (n.) Alt. of Cystoidea.
Cystolithic :: Cystolithic (a.) Relating to stone in the bladder.
Incyst :: Incyst (v. t.) See Encyst.
Cystotome :: Cystotome (n.) A knife or instrument used in cystotomy.
Ovicyst :: Ovicyst (n.) The pouch in which incubation takes place in some Tunicata.
Cnida :: Cnida (n.) One of the peculiar stinging, cells found in Coelenterata; a nematocyst; a lasso cell..
Cystine :: Cystine (n.) A white crystalline substance, C3H7NSO2, containing sulphur, occuring as a constituent of certain rare urinary calculi, and occasionally found as a sediment in urine..
Polycystine :: Polycystine (a.) Pertaining to the Polycystina.
Cyst :: Cyst (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..
Hyaline :: Hyaline (n.) The main constituent of the walls of hydatid cysts; a nitrogenous body, which, by decomposition, yields a dextrogyrate sugar, susceptible of alcoholic fermentation..
Polycystina :: Polycystina (n. pl.) A division of Radiolaria including numerous minute marine species. The skeleton is composed of silica, and is often very elegant in form and sculpture. Many have been found in the fossil state..
Sagittocyst :: Sagittocyst (n.) A defensive cell containing a minute rodlike structure which may be expelled. Such cells are found in certain Turbellaria.
Polycystid :: Polycystid (a.) Pertaining to the Polycystidea, or the Polycystina..
Polycystine :: Polycystine (n.) One of the Polycystina.
Myxocystodea :: Myxocystodea (n. pl.) A division of Infusoria including the Noctiluca. See Noctiluca.
Encystment :: Encystment (n.) A process by which many internal parasites, esp. in their larval states, become inclosed within a cyst in the muscles, liver, etc. See Trichina..
Endocyst :: Endocyst (n.) The inner layer of the cells of Bryozoa.
Lithocyst :: Lithocyst (n.) A sac containing small, calcareous concretions (otoliths). They are found in many Medusae, and other invertebrates, and are supposed to be auditory organs..
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