Definition, Meaning & Synonyms | English word CYST

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Definitions of CYST

1. A pouch or sac without opening, usually membranous and containing morbid matter, which develops in one of the natural cavities or in the substance of an organ.

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Examples of Using CYST in a Sentence

• The Percolozoa are a group of colourless, non-photosynthetic Excavata, including many that can transform between amoeboid, flagellate, and cyst stages.
• Syringomyelia is a generic term referring to a disorder in which a cyst or cavity forms within the spinal cord.
• Cysteine is named after its discovery in urine, which comes from the urinary bladder or cyst, from Greek κύστη kýsti, "bladder".
• Notable extrusomes include mucocysts, which discharge a mucous mass sometimes used in cyst formation, and trichocysts, which discharge a fibrous rod.
• Schizencephaly can be distinguished from porencephaly by the fact that in schizencephaly, the fluid-filled component is entirely lined by heterotopic grey matter, while a porencephalic cyst is lined mostly by white matter.
• Early research suggested a very complex life cycle of Pfiesteria piscicida with up to 24 different stages, spanning from cyst to several amoeboid forms with toxic zoospores.
• The cyst forms have been suggested to be affiliated to Chitinozoans, although other studies suggest Chitinozoans to have affinities to larger marine animals, and not tintinnids.
• The ability to shine through the bump or any past decrease in size supports the diagnosis of the bump as a ganglion cyst.
• When a cyst ruptures from the ovary, there may be sudden and sharp pain in the lower abdomen on one side.
• During childhood, she suffered from pneumonia four to five times a year and had partially collapsed lungs twice as well as a ruptured appendix and tonsillar cyst.
• The genus Acanthamoeba has two stages in its life cycle, the metabolically active trophozoite stage and a dormant, stress-resistant cyst stage.
• In cases that require intervention, a catheter may be placed to drain the cyst, or the cyst may be surgically opened to create a permanent pouch (marsupialization).
• In the giardial cyst these nuclei fuse (karyogamy) and undergo homologous recombination facilitated by meiosis gene homologs.
• It is found in an amoeboid, temporary flagellate stage or microbial cyst in soil, poorly maintained municipal water supplies, water heaters, near warm-water discharges of industrial plants and in poorly chlorinated or unchlorinated swimming pools.
• A dermoid cyst is a teratoma of a cystic nature that contains an array of developmentally mature, solid tissues.
• Fetus in fetu may be a very highly differentiated form of dermoid cyst, itself a highly differentiated form of mature teratoma.
• Anderson et al 2021 documents two cyst beds of the dinoflagellate Alexandrium catenella in Ledyard Bay and Barrow Canyon within the Chukchi sea.
• Differential diagnosis include adenoma, myelolipoma, cyst, lipoma, pheochromocytoma, adrenal cancer, metastatic cancer, hyperplasia, and tuberculosis.
• Rupture of a Baker's cyst may also cause bruising below the medial malleolus of the ankle (Crescent sign).
• A thyroglossal duct that fails to atrophy is called a persistent thyroglossal duct, a condition that may lead to the formation of a thyroglossal duct cyst.
• In 2007, Shona Holmes, a Waterdown, Ontario woman who had a Rathke's cleft cyst removed at the Mayo Clinic in Arizona, sued the Ontario government for failing to reimburse her $95,000 in medical expenses.
• It has three life cycle forms: the amoeboid stage, the cyst stage, and the flagellated stage, and has been routinely studied for its ease in change from amoeboid to flagellated stages.
• Within a few weeks the doctor at UCLA, Neil Martin, called to say he had consulted with some of the top neurosurgeons in the US and they had come to the conclusion that the cyst was not on his brain, but in a space between the brain and the skull – called the arachnoid mater – and that he saw no reason for him to give up his boxing career.
• Usually only the macronucleus and sometimes cilia and contractile vacuoles are visible in the cyst, however, both nuclei are present because nuclear multiplication does not occur when the organism is a cyst.
• Although both epididymis cyst and spermatocele may be referred as the same, the epididymis cyst does not contain sperm and it can occur anywhere within the epididymis.

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