Definition of cyst

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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..

Lern More About Cyst

Cysticule :: Cysticule (n.) An appendage of the vestibular ear sac of fishes.
Hypnocyst :: Hypnocyst (n.) A cyst in which some unicellular organisms temporarily inclose themselves, from which they emerge unchanged, after a period of drought or deficiency of food. In some instances, a process of spore formation seems to occur within such cysts..
Polycystid :: Polycystid (n.) One of the Polycystidea.
Porpita :: Porpita (n.) A genus of bright-colored Siphonophora found floating in the warmer parts of the ocean. The individuals are round and disk-shaped, with a large zooid in the center of the under side, surrounded by smaller nutritive and reproductive zooids, and by slender dactylozooids near the margin. The disk contains a central float, or pneumatocyst..
Cystocarp :: Cystocarp (n.) A minute vesicle in a red seaweed, which contains the reproductive spores..
Comedo :: Comedo (n.) A small nodule or cystic tumor, common on the nose, etc., which on pressure allows the escape of a yellow wormlike mass of retained oily secretion, with a black head (dirt)..
Sporogenesis :: Sporocyst (n.) Any protozoan when it becomes encysted produces germs by sporulation.
Myxocystodea :: Myxocystodea (n. pl.) A division of Infusoria including the Noctiluca. See Noctiluca.
Cyst :: Cyst (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..
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..
Cystotomy :: Cystotomy (n.) The act or practice of opening cysts; esp., the operation of cutting into the bladder, as for the extraction of a calculus..
Endocyst :: Endocyst (n.) The inner layer of the cells of Bryozoa.
Nereocystis :: Nereocystis (n.) A genus of gigantic seaweeds.
Cystoplast :: Cystoplast (n.) A nucleated cell having an envelope or cell wall, as a red blood corpuscle or an epithelial cell; a cell concerned in growth..
Cyst :: Cyst (n.) In old authors, the urinary bladder, or the gall bladder..
Cystolith :: Cystolith (n.) A urinary calculus.
Heterocyst :: Heterocyst (n.) A cell larger than the others, and of different appearance, occurring in certain algae related to nostoc..
Cholecystotomy :: Cholecystotomy (n.) The operation of making an opening in the gall bladder, as for the removal of a gallstone..
Polycystid :: Polycystid (n.) One of the Polycystina.
Polycystidea :: Polycystidea (n. pl.) A division of Gregarinae including those that have two or more internal divisions of the body.
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