| BUS | Bartholin, urethral, and Skene glands; busulfan |
|---|---|
| EGBUS | external genitalia, Bartholin, urethral, Skene glands |
| EUM | external urethral meatus |
| EUS | endoscopic ultrasound; external urethral sphincter |
| IUM | internal urethral meatus; intrauterine [fetus] malnourished; intrauterine membrane |
| 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) |
| abdominal fissure | Congenital failure of the ventral body wall to close. See: celosomia, gastroschisis. (05 Mar 2000) |
| Ammon's fissure | A pearl-shaped opening in the sclera during early embryogenesis. (05 Mar 2000) |
| anal fissure | A tear or superficial laceration that can occur in the mucosa that lines the anal canal. (27 Sep 1997) |
| anterior median fissure of medulla oblongata | The longitudinal groove in the midline of the anterior aspect of the medulla oblongata; it is the medullary equivalent of the anterior median fissure of the spinal cord and ends at the foramen caecum posterius; its caudal part is obliterated by the decussation of the pyramids. Synonym: fissura mediana anterior medullae oblongatae, anteromedian groove. (05 Mar 2000) |
| anterior median fissure of spinal cord | A deep median fissure on the anterior surface of the spinal cord. Synonym: fissura mediana anterior medullae spinalis, anteromedian groove, sulcus ventralis. (05 Mar 2000) |
| antitragohelicine fissure | A fissure in the auricular cartilage between the cauda helicis and the antitragus. Synonym: fissura antitragohelicina. (05 Mar 2000) |
| ape fissure | A small, inconstant semilunar groove on the cortical convexity near the occipital pole, marking the anterior border of the striate cortex (area 17) and considered homologous with the major sulcus of the same name that is a more constant feature of the cerebral cortex in monkeys and apes. Synonym: sulcus lunatus cerebri, ape fissure, lunate fissure, lunate sulcus, simian fissure. (05 Mar 2000) |
| auricular fissure | A fissure separating the tympanic portion from the mastoid portion of the temporal bone; it transmits the auricular branch of the vagus nerve. Synonym: fissura tympanomastoidea, auricular fissure, tympanomastoid suture. (05 Mar 2000) |
| azygos fissure | The four-layered pleural fold that separates the lobus azygos from the rest of the right upper lobe of the lung, seen as an oblique line pointing downward toward the mediastinal shadow in the upper right lung field on a chest radiograph. (05 Mar 2000) |