Urinalysis Terms

Sediment

________- Solids that settle to the bottom of a liquid.

Proteinuria

________- Protein in the urine, usually albumin.

Refractometer

________- An instrument for measuring refraction.

Opalescent

________- Having a milky iridescence.

Turbid

________- Having a cloudy appearance.

Diuresis

________- Output of an abnormally large urine volume.

Proximal

________ Convoluted Tubule- The portion of a renal tubule that collects the filtrate from Bowmans capsule.

Anuria

________- Complete failure of kidney function and suppression of urine production; absence of urine production.

Glycosuria

________- Glucose in the urine; glucosuria.

Cortex

________- The outer layer or portion of an organ.

Porphyrins

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

Nephron

________- The structural and functional unit of the kidney.

Oliguria

________- Decreased production of urine.

human chorionic gondotropin

HCG- ________, a hormone present in pregnancy.

Urobilinogen

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

Nocturia

________- Excessive urination at night.

Pyelitis

________- Inflammation of the renal pelvis.

Myoglobin

________- A pigmented protein found in muscle tissue.

Medulla

________- The inner or central portion of an organ.

Specific Gravity

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

Melanin

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

Urinometer

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

Pyelonephritis

________- Inflammation of the kidney and renal pelvis.

Ketonuria

________- Ketones in the urine.

Bowmans

________ Capsule- The portion of the nephron that receives the glomerular filtrate.

Urochrome

________- The yellow pigment the gives urine its color.

Glomerulus

________- A small bundle of capillaries that is the filtering portion of the nephron.

Glomerular Filtrate

________- The fluid that passes from the blood into the nephron and from which urine is formed.

Ketones

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

Random Urine Specimen

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

Tubular Necrosis

________- Death of the tissue comprising the renal tubules.

Bilirubin

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

Loop of Henle

________- The U- shaped portion of the renal tubule between its proximal and distal portions.

Renal Pelvis

________- The cavity in the kidney that receives urine from the renal tubules and the site where the ureter enters the kidney.

Bowmans Capsule

The portion of the nephron that receives the glomerular filtrate

Cortex

The outer layer or portion of an organ

Distal Convoluted Tubule

The portion of a renal tubule that empties into the collecting tubule

Diuresis

Output of an abnormally large urine volume

Glomerular Filtrate

The fluid that passes from the blood into the nephron and from which urine is formed

Glomerulus

A small bundle of capillaries that is the filtering portion of the nephron

Loop of Henle

The U-shaped portion of the renal tubule between its proximal and distal portions

Medulla

The inner or central portion of an organ

Nephron

The structural and functional unit of the kidney

Proximal Convoluted Tubule

The portion of a renal tubule that collects the filtrate from Bowmans capsule

Pyelitis

Inflammation of the renal pelvis

Pyelonephritis

Inflammation of the kidney and renal pelvis

Renal Pelvis

The cavity in the kidney that receives urine from the renal tubules and the site where the ureter enters the kidney

Renal Threshold

The blood concentration above which a substance not normally excreted by the kidneys appears in urine

Tubular Necrosis

Death of the tissue comprising the renal tubules

Anuria

Complete failure of kidney function and suppression of urine production; absence of urine production

Clean-Catch Urine

A midstream urine sample collected after the urethral opening and surrounding tissues have been cleansed

Midstream Urine

A urine sample collected in the middle of voiding

Nocturia

Excessive urination at night

Oliguria

Decreased production of urine

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; glucosuria

Ketonuria

Ketones in the urine

Proteinuria

Protein in the urine, usually albumin