Term | Definition |
Anuria | Failure of the kidneys to produce urine |
Bilirubinuria | The presence of bilirubin in the urine |
Bladder catheterization | The passage of a sterile catheter through the urethra and into the bladder to remove urine |
Diuresis | Secretion and passage of large amounts of urine |
Dysuria | Difficult or painful urination |
Frequency | The condition of having to urinate often |
Glycosuria | The presence of having 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 and body fluids |
Micurition | 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 | Decreased 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. The 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, the specific refers to the measurement of the amount of dissolved substances present in the urine compared with the same amount of |
Supernatant | The clear liquid remains at the top after a precipitate settles |
Suprapubic aspiration | The passage of a sterile needle through the abdominal wall into the bladder to remove urine |
Urgency | The immediate need to urinate |
Urinalysis | The physical, chemical, and microscopic analysis of urine |
Urinary Incontinence | The inability to retain urine |
Void | To empty the bladder |