Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «C»:
Cystitis, interstitial (IC)
Cystitis, interstitial (IC): Disease that involves
inflammation or irritation of the bladder wall. This inflammation can lead to scarring and
stiffening of the bladder, and even ulcerations and bleeding. Diagnosis is based on
symptoms, findings on cystoscopy and biopsy, and eliminating other treatab...
Cystocele: Bulging of the bladder into the vagina. From cysto- (the bladder) + -cele (hernia) because the bladder herniated into the vagina. Also called a cystic hernia....
Cystoscope: An optical instrument (a scope) that is
inserted through the urethra into the bladder.
A cystoscope has two ports. Aside from the optical port that
permits one to see inside the bladder, there is an additional port in
the instrument for insertion of various instruments designed for
Cystoscopy: A procedure in which the doctor inserts a lighted instrument called a cystoscope into the urethra (the tube that carries urine from the bladder to the outside of the body) in order to look inside the urethra and bladder.
The cystoscope has lenses like a telescope or microscope. These le...
Cysts: Cysts are abnormal, closed
sac-like structures within a tissue that contain a liquid, gaseous, or
semisolid substance. Cysts can occur anywhere in the body and can vary in size.
The outer, or capsular, portion of a cyst is termed the cyst
Cyt-: Prefix used in place of cyto- before a vowel. See: Cyto-....
-cyte: A suffix denoting a cell.
Derived from the Greek "kytos" meaning "hollow, as a cell or container." From the same root come the prefix "cyto-" and the combining form "-cyto" which similarly denote a cell.
Cyto-, -cyto- and -cyte enter into many words and terms used in medicine, including adip...
cyto (combining form)
-cyto-: A combining form denoting a cell. Derived from the Greek "kytos" meaning "hollow, as a cell or container." From the same root come the prefix "cyto-" and the suffix "-cyte" which similarly denote a cell.
Cyto-, -cyto- and -cyte enter into many words and terms used in medicine, including adi...
Cyto-: Prefix denoting a cell. "Cyto-" is derived from the Greek "kytos" meaning "hollow, as a cell or container." From the same root come the combining form "-cyto-" and the suffix "-cyte" which similarly denote a cell.
Cyto-, -cyto- and -cyte enter into many words and terms used in medicine, inclu...
Cytogenetic map: A genetic term referring to the visual appearance of a chromosome when stained and examined under a microscope. Particularly important are visually distinct regions, called light and dark bands, which give each of the chromosomes a unique appearance. This feature allows a person's c...
Cytogenetics: The study of chromosomes, the visible carriers
of DNA, the hereditary material.
Cytogenetics is a fusion science due to joining of cytology
(the study of cells) with genetics (the study of inherited variation)....
Cytogenetics, clinical: The application of cytogenetics to clinical
medicine. For example, clinical cytogenetic studies might be done to determine whether a
child with possible Down syndrome has an extra chromosome #21. ...
Cytokine: A small protein released by cells that has a specific effect on the interactions between cells, on communications between cells or on the behavior of cells. The cytokines includes the interleukins, lymphokines and cell signal molecules, such as tumor necrosis factor and the interferons, wh...
Cytokinesis: 1. During cell division, the process that partitions the cellular contents including the chromosomes, cytoplasm, and organelles into the two daughter cells. Cytokinesis occurs just after the segregation of the duplicated genome.
2. In a more limited sense, the partition of a cell's
Cytology: The medical and scientific study of cells. Cytology refers to a branch of pathology, the medical specialty that deals with making diagnoses of diseases and conditions through the examination of tissue samples from the body.
Cytologic examinations may be performed on body fluids (examples...