Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «I»:
Interneuron: A neuron that exclusively signals another neuron....
Internist: A physician who specializes in the diagnosis and
medical treatment of adults. This specialty, called internal medicine, is dedicated to
adult medicine. A minimum of seven years of medical school and postgraduate training are
focused on learning the prevention, diagnosis, and treatment of ...
Interpersonal therapy: A form of psychotherapy in which the focus is on a patient's relationships with peers and family members and the way they see themselves. Interpersonal psychotherapy (IPT) is based on exploring issues in relationships with other people. The goal is to help people to identify a...
Interphase: The interval in the cell cycle between two
cell divisions when the individual chromosomes cannot be distinguished, interphase was
once thought to be in resting phase but it is far from a time of rest for the cell. It is
the time when DNA is replicated in the cell nucleus....
Intersex: A group of conditions sometimes referred to as disorders of
sexual development (DSDs) in which there is a discrepancy between the appearance
of the external genitalia and the type of internal (testes and ovaries)
genitalia. The condition was formerly termed hermaphroditism or
Intersexual genitalia: Genitalia that are neither typically female nor typically male. Known in clinical medicine as ambiguous genitalia. See:
Interstice: A small space between things, especially between things that are usually closely spaced, such as cells. Interstices are the cracks and crevices, the breaks, the gaps.
The word "interstice" comes from the Latin "interstitium" which was derived from "inter" meaning "between" + "sistere" me...
Interstitial: Pertaining to being between things, especially between things that are normally closely spaced.
The word "interstitial" comes from the Latin "interstitium" which was derived from "inter" meaning "between" + "sistere" meaning "to stand' = to stand between.
The word "interstitial" is muc...
Interstitial cystitis (IC)
Interstitial cystitis (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 treatabl...
Interstitial radiation: Radiation therapy in which a radioactive
material is placed directly into a tumor. ...
Interstitial radiation therapy
Interstitial radiation therapy: Radiation treatment given by placing radioactive material directly into the target, often a tumor.
For example, in treating prostate cancer, radioactive seeds are implanted in the prostate gland. The seeds might be titanium-encased pellets containing the radioisotope...
Intertrigo: A superficial skin disorder involving any area of the body where opposing skin surfaces may touch and rub, such as the creases of the neck, the skin folds of the groin, axilla (armpit) and breasts (especially if large and pendulous) and between the toes.
Intertrigo is characterized by sk...
Interval malignancy: In mammography, a malignancy that becomes evident during the period between annual screening mammograms. The finding of an interval malignancy indicates that it either went undetected on the prior breast imaging scan or that it developed during the interval since that last scan...
Intervening sequence: Part of a gene that is
initially transcribed from the DNA into the primary RNA transcript
but then is excised (removed) from it when the so-called exxon
sequences on either side of it are spliced together.
Intervening sequences, which are also called introns, are genetic
Intervention: The act of intervening, interfering or interceding with the intent of modifying the outcome. In medicine, an intervention is usually undertaken to help treat or cure a condition. For example, early intervention may help children with autism to speak. "Acupuncture as a therapeutic inter...