Term | Definition |
anuria | failure of the kidneys to produce urine |
bilirubinuria | the presence of bilirubin in the urine |
bladder catherization | the passing of a sterile catheter through the urethra & into the bladder to remove urine |
diuresis | secretion & passage of large amounts of urine |
dysuria | difficult or painful urination |
frequency | the condition of having to urinate often |
glycosuria | the presence of glucose in the urine |
hematuria | blood present in the urine |
ketonuria | the presence of ketone bodies in the urine |
ketosis | an accumulation of large amounts of ketone bodies in the tissues & body fluids |
micturition | the act of voiding urine |
nephron | the functional unit of the kidney |
nocturia | excessive (voluntary) urination during the night |
nocturnal enuresis | inability of an individual to control urination at night during sleep (bedwetting) |
oliguria | decrease or scanty output of urine |
pH | the unit that describes the acidity or alkalinity of a solution |
polyuria | increased output of urine |
proteinuria | the presence of protein in the urine |
pyuria | the presence of pus in the urine |
renal threshold | the concentration at which a substance in the blood that is not normally excreted by the kidneys begins to appear in the urine |
retention | the inability to empty the bladder; urine is being produced normally but is not being voided |
specific gravity | the weight of a substance compared with the weight of an equal volume of a substance known as the standard; in urinalysis, it refers to the measurement of the amount of dissolved substances in the urine compared with the same amount of distilled water |
supernatant | the clear liquid that remains at the top after a precipitate settles |
suprapubic aspiration | the passing of a sterile needle through the abdominal wall into the bladder to remove urine |
urgency | the immediate need to urinate |
urinalysis | the physical, chemical & microscopic analysis of urine |
urinary incontinence | the inability to retain urine |
void | to empty the bladder |