| urethral haematuria | Haematuria in which the site of bleeding is in the urethra. (05 Mar 2000) |
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| urethral lacuna | One of a number of little recesses in the mucous membrane of the spongy urethra into which empty the ducts of the urethral glands. Synonym: lacuna urethralis, Morgagni's lacuna. (05 Mar 2000) |
| urethral neoplasms | Neoplasms or tumours of the urethra. This condition is relatively uncommon and is the only cancer of the urinary system that has a higher incidence rate in females than males. Squamous cell carcinoma is the most frequent histologic type. (12 Dec 1998) |
| urethral obstruction | Obstruction anywhere along the urethra. (12 Dec 1998) |
| urethral openings | See: external urethral orifice, internal urethral orifice. (05 Mar 2000) |
| urethral papilla | Papilla urethralis, the slight projection often present in the vestibule of the vagina marking the urethral orifice. (05 Mar 2000) |
| urethral plate | An endodermal plate located ventromedially in the developing genital tubercle of a young embryo; it later opens to form the lining of the penile urethra. (05 Mar 2000) |
| urethral pressure profile | The continual recording of pressure through a hole in the side of a small catheter as it is pulled (at a constant rate while either water or a gas is infused through the hole) from a point within the bladder, through the vesical neck, and down the entire urethra; a form of resistance measurement which gives a tracing indicative of the functional length of the urethra and the points of maximal urethral resistance. (05 Mar 2000) |
| urethral stricture | <urology> A narrowing of the urethra that results from inflammation, injury or infection. (27 Sep 1997) |
| urethral surface of penis | The surface of the penis opposite to the dorsum penis. Synonym: facies urethralis penis. (05 Mar 2000) |
| urethral syndrome | <syndrome, urology> Symptoms of a urinary tract infection although the urine is sterile when analysed. This suggests the infection is localised to the urethra (urethritis). Treated with antibiotics. (27 Sep 1997) |
| urethral valves | Folds in the urethral mucous membrane. See: anterior urethral valve, posterior urethral valves. (05 Mar 2000) |