Author: Glossary

  • Urocyanosis

    Blue discoloration of the urine; possibly due to the presence of indigo blue from oxidation of indican or to ingestion of drugs such as methylene blue. The blue tint in urine, typically due to an excess of indican—a glucoside that, when oxidized, becomes indigo blue. This condition is also known as indicanuria.  

  • Urocortin

    Any of a family of neuropeptides functionally related to corticotropin-releasing hormone that decreases appetite, delays gastric emptying, and decreases distal colonic motility.  

  • Urobilinogenemia

    Urobilinogen in the blood.  

  • Midstream specimen of urine

    A urine specimen collected after the first few milliliters of urine are voided and discarded.  

  • Double-voided urine

    A urine sample voided within 30 min after the patient has emptied the bladder.  

  • Urinary incontinence reflex

    Involuntary loss of urine at somewhat predictable intervals when a specific bladder volume is reached.  

  • Urinary incontinence functional

    Inability of usually continent person to reach toilet in time to avoid unintentional loss of urine.  

  • Urinary director appliance

    A hand-held, hollow, plastic device that fits over the vulva, enabling a woman to urinate while standing. The device collects urine and allows it to be directed away from the user through an outlet spout. Intended use is for women who are active outdoors and need to urinate without partially disrobing. Medically, the appliance has…

  • Uridine diphosphate

    A uridine-containing nucleotide important in certain metabolic reactions, in which it transports sugars such as glucose and galactose.  

  • Uricotelic

    Concerning animals that excrete amino nitrogen in the form of uric acid. Included in this group are birds and reptiles.