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 pseudohermaphroditism. One example of intersex is androgen insensitivity syndrome, in which the body’s receptors to male hormones do not function properly. In this case, individuals have a male genetic makeup (XY) and testicular tissue but have incompletely formed or female external genitalia. In some cases, known as true gonadal intersex, a person has both ovarian and testicular tissue.
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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” meaning “to stand” = to stand between. Interstices can also refer to […]
- Interstitial
Pertaining to being between things, especially between things that are normally closely spaced. The word interstitial is much used in medicine and has specific meaning, depending on the context. For instance, interstitial cystitis is a specific type of inflammation of the bladder wall. Interstitial radiation involves placing radioactive material directly into a tumor. Interstitial pneumonia […]
- 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 treatable causes such as infection. Because doctors do not know what causes interstitial cystitis, treatments are […]
- Interstitial radiation
Radiation therapy in which a radioactive material is placed directly into a tumor.
- 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 iodine-125. Interstitial radiation therapy is also called seed implantation or brachytherapy (brachys being Greek for short).