Definition of cyst

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

Lern More About Cyst

Polycystid :: Polycystid (n.) One of the Polycystina.
Cist :: Cist (n.) See Cyst.
Sporocyst :: Sporocyst (n.) An asexual zooid, usually forming one of a series of larval forms in the agamic reproduction of various trematodes and other parasitic worms. The sporocyst generally develops from an egg, but in its turn produces other larvae by internal budding, or by the subdivision of a part or all of its contents into a number of minute germs. See Redia..
Heterocyst :: Heterocyst (n.) A cell larger than the others, and of different appearance, occurring in certain algae related to nostoc..
Cnida :: Cnida (n.) One of the peculiar stinging, cells found in Coelenterata; a nematocyst; a lasso cell..
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..
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)..
Melicerous :: Melicerous (a.) Consisting of or containing matter like honey; -- said of certain encysted tumors.
Cysticerce :: Cysticerce (n.) Alt. of Cysticercu.
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..
Cystolith :: Cystolith (n.) A urinary calculus.
Ranula :: Ranula (n.) A cyst formed under the tongue by obstruction of the duct of the submaxillary gland.
Phyllocyst :: Phyllocyst (n.) The cavity of a hydrophyllium.
Tentaculocyst :: Tentaculocyst (n.) One of the auditory organs of certain medusae; -- called also auditory tentacle.
Crinoidea :: Crinoidea (n. pl.) A large class of Echinodermata, including numerous extinct families and genera, but comparatively few living ones. Most of the fossil species, like some that are recent, were attached by a jointed stem. See Blastoidea, Cystoidea, Comatula..
Nereocystis :: Nereocystis (n.) A genus of gigantic seaweeds.
Trichocyst :: Trichocyst (n.) A lasso cell.
Cysted :: Cysted (a.) Inclosed in a cyst.
Otocyst :: Otocyst (n.) An auditory cyst or vesicle; one of the simple auditory organs of many invertebrates, containing a fluid and otoliths; also, the embryonic vesicle from which the parts of the internal ear of vertebrates are developed..
Polycystid :: Polycystid (a.) Pertaining to the Polycystidea, or the Polycystina..
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