| urorectal membrane | In the embryo, urorectal septum separating the cloaca into urogenital sinus and rectum. Synonym: urorectal fold. (05 Mar 2000) |
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| urorectal septum | In embryos, a partition dividing the cloaca into a dorsal, rectal portion and a ventral portion called the urogenital sinus; reaching the cloacal membrane at about the time of its disintegration, the urorectal septum divides the cloacal exit into an anal and a urogenital orifice. Synonym: urorectal fold. (05 Mar 2000) |
| urorosein | A chromogen in the urine that forms a red colour on the addition of nitric acid; normally exists in very minute quantities but is increased in tuberculosis and other wasting diseases, and is related to ingestion of indole compounds. (05 Mar 2000) |
| urorubin | A red pigment in urine made more visible by treatment with hydrochloric acid. (05 Mar 2000) |
| urorubrohematin | A reddish pigment occasionally present in the urine in various chronic diseases. (05 Mar 2000) |
| urosacral | <anatomy> Of or pertaining to both the caudal and sacral parts of the vertebral column; as, the urosacral vertebrae of birds. Origin: 2d uro- + sacral. Source: Websters Dictionary (01 Mar 1998) |
| uroschesis | 1. Retention of urine. 2. Suppression of urine. Origin: uro-+ G. Schesis, a checking (05 Mar 2000) |
| uroscopic | Relating to uroscopy. (05 Mar 2000) |
| uroscopy | The diagnosis of diseases by inspection of urine. Origin: 1st uro- + -scopy: cf. F. Uroscopie. Source: Websters Dictionary (01 Mar 1998) |
| urosemiology | The study of the urine as an aid to diagnosis. Origin: uro-+ G. Semeion, a sign, + logos, study (05 Mar 2000) |
| urosepsin | A substance formed by the decomposition of urine, supposed to be the cause of septic poisoning after urinary extravasation. (05 Mar 2000) |
| urosepsis | 1. Sepsis resulting from the decomposition of extravasated urine. 2. Sepsis from obstruction of infected urine. Origin: uro-+ G. Sepsis, decomposition (05 Mar 2000) |
| urosome | <zoology> The abdomen, or post-abdomen, of arthropods. Origin: 2d uro- + -some body. Source: Websters Dictionary (01 Mar 1998) |
| urospectrin | A pigment found in the urine, possibly the same as urobilin. (05 Mar 2000) |
| urostege | <zoology> One of the plates on the under side of the tail of a serpent. Origin: 2d uro- + Gr. Roof. Source: Websters Dictionary (01 Mar 1998) |