Definitions for diabetes insipidusɪnˈsɪp ɪ dəs
Random House Webster's College Dictionary
diabe′tes in•sip′i•dusɪnˈsɪp ɪ dəs(n.)
a disorder characterized by increased urine production caused by inadequate secretion of vasopressin by the pituitary gland.
Origin of diabetes insipidus:
< NL: lit., bland diabetes
a rare form of diabetes resulting from a deficiency of vasopressin (the pituitary hormone that regulates the kidneys); characterized by the chronic excretion of large amounts of pale dilute urine which results in dehydration and extreme thirst
A disease characterized by excretion of large amount of severely diluted urine, which cannot be reduced when fluid intake is reduced. It is generally related to a tumor or insult to the pituitary gland, where the hormonal signals the pituitary gives to the kidneys break down, and the kidneys do not conserve water, but express all water as urine. This is a rather rare disease.
Origin: Literally "water diabetes." See diabetes
Diabetes insipidus is a condition characterized by excessive thirst and excretion of large amounts of severely diluted urine, with reduction of fluid intake having no effect on the concentration of the urine. There are several different types of DI, each with a different cause. The most common type in humans is central DI, caused by a deficiency of arginine vasopressin, also known as antidiuretic hormone. The second common type of DI is nephrogenic diabetes insipidus, which is caused by an insensitivity of the kidneys to ADH. It can also be an iatrogenic artifact of drug use. Although they have a common name, diabetes mellitus and diabetes insipidus are two entirely separate conditions with unrelated mechanisms. Both cause large amounts of urine to be produced, and the term "diabetes" is derived from the Greek word meaning siphon. However, diabetes insipidus is either a problem with the production of antidiuretic hormone or kidney's response to antidiuretic hormone, whereas diabetes mellitus causes polyuria via a process called osmotic diuresis, due to the high blood sugar leaking into the urine and taking excess water along with it.
U.S. National Library of Medicine
A disease that is characterized by frequent urination, excretion of large amounts of dilute URINE, and excessive THIRST. Etiologies of diabetes insipidus include deficiency of antidiuretic hormone (also known as ADH or VASOPRESSIN) secreted by the NEUROHYPOPHYSIS, impaired KIDNEY response to ADH, and impaired hypothalamic regulation of thirst.
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