urinalysis pt 2

Random Urine Specimen

A urine specimen collected at any time, without regard to diet or time of day.

Ketones

A group of chemical substance produced during increased fat metabolism; ketone bodies.

Melanin

A dark pigment of skin, hair, and certain tumors.

Myoglobin

A pigmented protein found in muscle tissue.

Opalescent

Having a milky iridescence.

Porphyrins

A group of pigments that are required for the synthesis of hemoglobin.

Refractometer

An instrument for measuring refraction.

Specific Gravity

The ratio of the weight of a solution to the weight of an equal volume of distilled water; a measurement of density.

Turbid

Having a cloudy appearance.

Urinometer

A float with a calibrated stem used for measuring specific gravity.

Urochrome

The yellow pigment the gives urine its color.

Bilirubin

A product formed in the liver from the breakdown of hemoglobin.

Urobilinogen

Breakdown product of bilirubin formed by the action of intestinal bacteria.

Cast In urinalysis

a protein matrix formed in the kidney tubules and washed out into the urine.

Hyaline

Transparent, pale.

Sediment

Solids that settle to the bottom of a liquid.

hCG

human chorionic gondotropin, a hormone present in pregnancy.

Glycosuria

Glucose in the urine

Ketonuria

Ketones in the urine.

Proteinuria

Protein in the urine, usually albumin