| UROBILINS | • urobilins n. Plural of urobilin. • UROBILIN n. a brown pigment in faeces and sometimes urine. |
| UROCHORDS | • urochords n. Plural of urochord. • UROCHORD n. a rodlike structure in certain lower vertebrates. |
| UROCHROME | • urochrome n. (Biochemistry) A pigment that causes the yellow color in urine. It is a breakdown product of the blood’s… • UROCHROME n. an amorphous yellow pigment found in urine. |
| URODELANS | • urodelans n. Plural of urodelan. • URODELAN n. a member of the Urodela, newts and salamanders. |
| URODELOUS | • urodelous adj. (Zoology) Relating to the Urodela (syn. of Caudata). • URODELOUS adj. of or like urodeles, newts and salamanders. |
| UROGENOUS | • urogenous adj. Originating in the urine. • UROGENOUS adj. producing or produced in urine. |
| UROGRAPHY | • urography n. Radiography of the urinary tract. • UROGRAPHY n. radiological examination of the urinary tract. |
| UROKINASE | • urokinase n. (Biochemistry) A protease, found in the urine, which converts plasminogen to plasmin, and is used in… • UROKINASE n. a drug that dissolves intravascular blood clots. |
| UROLAGNIA | • urolagnia n. Synonym of urophilia. • UROLAGNIA n. sexual arousal caused by, or associated with, urine or the urination. |
| UROLITHIC | • urolithic adj. Of or pertaining to a urolith. • UROLITHIC adj. of or like a urolith, a calculus in the urinary tract. |
| UROLOGIES | • urologies n. Plural of urology. • UROLOGY n. the study of urine or the urinary tract, also OUROLOGY, URINOLOGY. |
| UROLOGIST | • urologist n. (Medicine) A doctor of urology. • UROLOGIST n. one versed in urology, the study of urine. |
| UROPODOUS | • UROPODOUS adj. of or pertaining to a uropod, any one of the abdominal appendages of a crustacean. |
| UROPYGIAL | • uropygial adj. (Ornithology) Of or pertaining to the uropygium; on the rump. • UROPYGIAL adj. of or pertaining to the uropygium, or prominence at the base of the tail feathers, in birds. |
| UROPYGIUM | • uropygium n. The posterior part of a bird’s body from which the tailfeathers grow. • UROPYGIUM n. the rump of a bird which supports the tail feathers. |
| UROSCOPIC | • uroscopic adj. Of, or relating to uroscopy. • UROSCOPIC adj. relating to uroscopy, the diagnostic examination of urine. |
| UROSTEGES | • urosteges n. Plural of urostege. • UROSTEGE n. (Greek) a snake's ventral tail-plate. |
| UROSTYLES | • urostyles n. Plural of urostyle. • UROSTYLE n. a part of the vertebral column of frogs and toads. |