CYST

Pronunciation (US): (GB):

I. (noun)

Sense 1

Meaning:

A small anatomically normal sac or bladderlike structure (especially one containing fluid)

Synonyms:

cyst; vesicle

Classified under:

Nouns denoting body parts

Hypernyms ("cyst" is a kind of...):

sac (a structure resembling a bag in an animal)

Hyponyms (each of the following is a kind of "cyst"):

dacryocyst; lacrimal sac; tear sac (either of the two dilated ends of the lacrimal ducts at the nasal ends of the eyes that fill with tears secreted by the lacrimal glands)

dictyosome; Golgi apparatus; Golgi body; Golgi complex (a netlike structure in the cytoplasm of animal cells (especially in those cells that produce secretions))

bleb; blister; bulla ((pathology) an elevation of the skin filled with serous fluid)

follicle (any small spherical group of cells containing a cavity)

liposome (an artificially made microscopic vesicle into which nucleic acids can be packaged; used in molecular biology as a transducing vector)

Derivation:

cystic (of or relating to a normal cyst (as the gallbladder or urinary bladder))

Sense 2

Meaning:

A closed sac that develops abnormally in some body structure

Classified under:

Nouns denoting stable states of affairs

Hypernyms ("cyst" is a kind of...):

pathology (any deviation from a healthy or normal condition)

Hyponyms (each of the following is a kind of "cyst"):

dermoid cyst (a cystic tumor (usually benign) with a wall lined with epithelium and a cavity containing other material)

galactocele (a cystic tumor containing milk or a milky substance (especially in the mammary glands))

blood cyst; hematocyst; hemorrhagic cyst (a cyst containing blood)

hydatid (cyst filled with liquid; forms as a result of infestation by tapeworm larvae (as in echinococcosis))

nabothian cyst; nabothian follicle (a cyst that forms in the nabothian glands of the uterine cervix)

ovarian cyst (a cystic tumor (usually benign) of the ovary)

ranula (a cyst on the underside of the tongue)

pilar cyst; sebaceous cyst; steatocystoma; wen (a common cyst of the skin; filled with fatty matter (sebum) that is secreted by a sebaceous gland that has been blocked)

Derivation:

cystic (of or relating to or resembling a cyst)

Credits

Context examples:

General term for cysts and cystic diseases of the ovary.

(Ovarian Cyst, NLM, Medical Subject Headings)

A fibrous degeneration, cyst formation, and the presence of fibrous nodules in bone, usually due to HYPERPARATHYROIDISM.

(Osteitis Fibrosa Cystica, NLM, Medical Subject Headings)

A cyst that arises from the ovary.

(Ovarian Cyst, NCI Thesaurus)

A molar pregnancy contains many cysts (sacs of fluid).

(Molar pregnancy, NCI Dictionary)

Small (one to two mm), firm, white cysts on the skin.

(Milium Cyst, NCI Thesaurus)

A cyst lined by tissue that resembles synovial villi.

(Metaplastic Synovial Cyst, NCI Thesaurus)

A tiny cyst that is usually identified by microscopic examination in a tissue specimen.

(Microcyst, NCI Thesaurus)

Representative example is the dermoid cyst.

(Ovarian Cystic Teratoma, NCI Thesaurus)

Bone cysts usually occur in males between the ages 3-15 years.

(Bone Cyst, NLM, Medical Subject Headings)

An intracranial or spinal cyst which contains fluid and is composed of arachnoid cells.