polyuria

DEFINITION:

The passage of a large volume of urine in a given period, a characteristic of diabetes.

polydipsia

DEFINITION:

Excessive or abnormal thirst.

regurgitation

DEFINITION:

1. Flow in the opposite direction from normal, as the backward flowing of blood into the heart or between heart chambers.
2. Vomiting.

bacterial

DEFINITION:

Pertaining to or caused by bacteria.

pyelonephritis

DEFINITION:

Inflammation of the kidney and its pelvis because of bacterial infection; it begins in the interstitium and rapidly extends to involve the tubules, glomeruli, and blood vessels.

urine

DEFINITION:

The fluid excreted by the kidneys, passed through the ureters, stored in the bladder, and discharged through the urethra. Urine, in health, has an amber color, a slight acid reaction, a peculiar odor, and a bitter, saline taste.

growth

DEFINITION:

1. A normal process of increase in size of an organism as a result of accretion of tissue similar to that originally present.

2. An abnormal formation, such as a tumor.

3. The proliferation of cells, as in a bacterial culture.

urine

DEFINITION:

The fluid excreted by the kidneys, passed through the ureters, stored in the bladder, and discharged through the urethra. Urine, in health, has an amber color, a slight acid reaction, a peculiar odor, and a bitter, saline taste.

sediment

DEFINITION:

A precipitate, especially one that is formed spontaneously.

necropsy

DEFINITION:

Examination of a body after death.

nephrogenic diabetes insipidus

DEFINITION:

A syndrome of polyuria and hyposthenuria caused by the failure of the renal tubules to reabsorb water in response to antidiuretic hormone, without disturbance in the renal filtration and solute excretion rates; the condition does not respond to exogenous vasopressin. It may be inherited as a rare X-linked trait or be acquired as a result of drug therapy or systemic disease.

polyuria

DEFINITION:

The passage of a large volume of urine in a given period, a characteristic of diabetes.

polydipsia

DEFINITION:

Excessive or abnormal thirst.

pyelonephritis

DEFINITION:

Inflammation of the kidney and its pelvis because of bacterial infection; it begins in the interstitium and rapidly extends to involve the tubules, glomeruli, and blood vessels.

neurologic

DEFINITION:

Pertaining to neurology or to the nervous system.

systemic

DEFINITION:

Pertaining to or affecting the body as a whole.

regurgitation

DEFINITION:

1. Flow in the opposite direction from normal, as the backward flowing of blood into the heart or between heart chambers.
2. Vomiting.

localization

DEFINITION:

1. The determination of the site or place of any process or lesion.
2. Restriction to a circumscribed or limited area.
3. Prelocalization.

organisms

DEFINITION:

Individual living things, whether animals or plants.

brain stem

DEFINITION:

The stalk-like portion of the brain connecting the cerebral hemispheres with the spinal cord and comprising the mesencephalon, pons, and medulla oblongata; the diencephalon is considered part of the brain stem by some.

vagus nerve

DEFINITION:

See "nervus vagus."

polyuria

DEFINITION:

The passage of a large volume of urine in a given period, a characteristic of diabetes.

pyelonephritis

DEFINITION:

Inflammation of the kidney and its pelvis because of bacterial infection; it begins in the interstitium and rapidly extends to involve the tubules, glomeruli, and blood vessels.