| EST | electric shock threshold; electroshock therapy; endometrial sinus tumor; endoscopic sphincterectomy;... |
|---|---|
| FESS | functional endoscopic sinus surgery |
| HCSS | hypersensitive carotid sinus syndrome |
| ICSO | intermittent coronary sinus occlusion |
| IST | inappropriate sinus tachycardia; insulin sensitivity test; insulin shock therapy; International Soci... |
| CSN | carotid sinus |
|---|---|
| CS | cavernous sinus |
| IPS | inferior petrosal sinus |
| ST | sinus tachycardia |
| 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) |
|---|---|
| urogenital neoplasms | Neoplasms of the urogenital tract. (12 Dec 1998) |
| urologic neoplasms | Neoplasms of the urinary tract in both male and female. It does not include the male genitalia for which urogenital neoplasms is used for general discussions of neoplasms of both the urinary tract and the genitalia. (12 Dec 1998) |
| uterine neoplasms | Neoplasms of the uterus. (12 Dec 1998) |
| laryngeal neoplasms | Cancers or tumours of the larynx or any of its parts: the glottis, epiglottis, laryngeal cartilages, laryngeal muscles, and vocal cords. (12 Dec 1998) |
| liver neoplasms, experimental | Experimentally induced tumours of the liver. (12 Dec 1998) |
| Amberg's lateral sinus line | A line dividing the angle formed by the anterior edge of the mastoid process and the temporal line. (05 Mar 2000) |
| aneurysm of sinus of Valsalva | A congenital thin-walled tubular out pouching usually in the right or non-coronary sinus with an entirely intracardiac course that may rupture into the right or rarely the left heart chambers to form an aortocardiac fistula. (05 Mar 2000) |
| aortic sinus | The space between the superior aspect of each cusp of the aortic valve and the dilated portion of the wall of the ascending aorta, immediately above each cusp. Synonym: sinus aortae, Petit's sinus, Valsalva's sinus. Arlt's sinus, an inconstant depression on the lower portion of the internal surface of the lacrimal sac. Barber's pilonidal sinus, pilonidal sinus occurring in barbers, usually in the web between the fingers, due to the burying of exogenous hairs by the alternate loosening and tightening of tissues of the hand by the manipulation of scissors. (05 Mar 2000) |
| aortic sinus aneurysm | Abnormal dilation of one or more of the three aortic sinuses situated behind the three aortic valve cusps. (05 Mar 2000) |
| apertura sinus frontalis | One of a pair of openings in the floor of the frontal sinuses in the nasal part of the frontal bone, through which the frontal sinuses communicate with the ethmoidal infundibulum via the frontonasal duct. Synonym: apertura sinus frontalis. (05 Mar 2000) |
| apertura sinus sphenoidalis | One of the pair of openings in the body of the sphenoid bone through which the sphenoid sinuses communicate with the sphenoethmoidal recess of the nasal cavity. Synonym: apertura sinus sphenoidalis, sphenoidal sinus aperture. (05 Mar 2000) |
| arrhythmia, sinus | Irregularity of the heart rate related to functioning of the sinoatrial node. (12 Dec 1998) |
| barotrauma, sinus | See: Barosinusitis. (12 Dec 1998) |
| basilar sinus | A venous plexus on the clivus, connected with the cavernous and petrosal sinuses and the internal vertebral (epidural) venous plexus. Synonym: plexus basilaris, basilar sinus. (05 Mar 2000) |