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cyst
Longman Dictionary of Contemporary English
cyst
noun
COLLOCATIONS FROM CORPUS
■ ADJECTIVE
simple
▪ Our findings can not explain the higher overall prevalence of simple renal cysts in men.
▪ Many physicians also believe that simple renal cysts commonly cause microscopic haematuria and mild proteinuria.
EXAMPLES FROM OTHER ENTRIES
▪ an ovarian cyst
EXAMPLES FROM CORPUS
▪ Acne can affect the face, chest and back and, in severe cases, cause painful cysts.
▪ Giardia is acquired by ingesting food containing the cysts or, more commonly, drinking contaminated water.
▪ He was also noted to have cysts and skull osteomata.
▪ In its life cycle the parasite exists in two forms or stages: cysts and trophozoites.
▪ In the cyst stage a strong covering protects the parasite and allows it to survive the acid conditions of the stomach.
▪ It's good for cysts, rashes, fevers, infections, parasites, skin problems and regrowth of fins.
▪ She had just had painful surgery to remove an ovarian cyst that had turned out to be benign.
▪ Ultrasound, which has been used for decades to distinguish fluid-filled cysts from solid growths.
The Collaborative International Dictionary
Cyst

Cyst \Cyst\ (s[i^]st), n. [Gr. ky`stis bladder, bag, pouch, fr. ky`ein to be pregnant. Cf. Cyme.]

  1. (Med.)

    1. 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.

    2. In old authors, the urinary bladder, or the gall bladder. [Written also cystis.]

  2. (Bot.) One of the bladders or air vessels of certain alg[ae], as of the great kelp of the Pacific, and common rockweeds ( Fuci) of our shores.
    --D. C. Eaton.

  3. (Zo["o]l.)

    1. 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.

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

Douglas Harper's Etymology Dictionary
cyst

1713, from Modern Latin cystis (in English as a Latin word from 1540s), from Greek kystis "bladder, pouch."

Wiktionary
cyst

n. 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. 2 (context medicine English) Of or pertaining to the urinary bladder or gall bladder (in compounds).

WordNet
cyst
  1. n. a closed sac that develops abnormally in some body structure

  2. a small anatomically normal sac or bladderlike structure (especially one containing fluid) [syn: vesicle]

Wikipedia
Cyst

A cyst is a closed sac, having a distinct membrane and division compared to the nearby tissue. Hence, it is a cluster of cells that have grouped together to form a sac (not unlike the manner in which water molecules group together, forming a bubble); however, the distinguishing aspect of a cyst is that the cells forming the "shell" of such a sac are distinctly abnormal (in both appearance and behaviour) when compared to all surrounding cells for that given location. It may contain air, fluids, or semi-solid material. A collection of pus is called an abscess, not a cyst. Once formed, a cyst may sometimes resolve on its own. When a cyst fails to resolve it may need to be removed by surgery but this will depend on what type of cyst it is and where in the body it has formed.

Some cysts are neoplastic and are thus called cystic tumors; many types are not neoplastic. Some are dysplastic or metaplastic. Pseudocysts are similar to cysts (having a sac filled with fluid) but lack an epithelial lining.

Usage examples of "cyst".

Chitten removed a dermoid from the sternum of a female of thirty-nine, the cyst containing 11 ounces of atheromatous material.

You at once give up on any organic cause when even a student would suspect ovarian trouble of some kind: if not fibroids, cysts.

A diagnosis was made of multilocular ovarian cyst or edematous myoma of the uterus, and on the morning of December 7, 1890, an operation was performed.

One of these women, a secundipara, had gone two weeks over time, and had a large ovarian cyst, the pedicle of which had become twisted, the fluid in the cyst being sanguineous.

I could have had the hunters pole their floatblinds to a place of their own choosing, but the fen was riddled with quickmud cysts that would pull down both pole and poler, populated by dracula ticks the size of blood-filled balloons that liked to drop on moving objects from overhead branches, decorated with hanging ribbon snakes, which looked precisely like chalma fronds to the unwary, and rife with fighting gar that could bite through a finger.

Ryan had once come across a crude book that dealt with the range of disorders that ravaged scabbies: dermoid cysts, rodent ulcers, keloids, lipomata, epitheliomata, acne, psoriasis and all manner of unnamed rashes.

In a case of Sangster, reported by Politzer, although most of the dermoids, as usual, were like fibroma-nodules and therefore the color of normal skin, those over the mastoid processes and clavicle were lemon-yellow, and were generally thought to be xanthoma until they were excised, and Politzer found they were typical dermoid cysts with the usual contents of degenerated epithelium and hair.

Young speaks of a fetus which lay encysted between the laminae of the transverse mesocolon, and Highmore published a report of a fetus in a cyst communicating with the duodenum.

The CT scan had shown only the mucoid cyst in the right maxillary sinus--probably a result of chronic allergies.

The fetus had been contained in the peritoneal coat of the ovary until the fourth month, when one of the feet passed through the cyst and caused the fatal result.

Roman gave a cry of horror as the cysts plopped onto the floor in splatters of blood and mucus.

The man stumbled backward, tipped over a tray of surgical instruments, sprawled to the floor, slippery with cysts and blood.

In monstrosities and dermoid cysts, for example, we seem to catch forbidden sight of the secret work-room of Nature, and drag out into the light the evidences of her clumsiness, and proofs of her lapses of skill,--evidences and proofs, moreover, that tell us much of the methods and means used by the vital artisan of Life,--the loom, and even the silent weaver at work upon the mysterious garment of corporeality.

Nearly every medical museum has preserved specimens of dermoid cysts, and almost all physicians are well acquainted with their occurrence.

Dermoid cysts are found also in regions of the body quite remote from the ovary.