| ectopic pancreas | <radiology> Site: stomach (most common), small bowel, Meckel diverticulum, gallbladder, spleen prevalence: 10% at autopsy, 1:500 at operation (12 Dec 1998) |
|---|---|
| ectopic pinealoma | <tumour> An obsolete term for an undifferentiated neoplasm resembling a pinealoma, usually found near the pituitary gland; believed by some to be an undifferentiated teratoma. (05 Mar 2000) |
| ectopic pregnancy | A gestation elsewhere than in the uterus. Often occurring in the fallopian tube. Presents with abdominal pain, fainting, and/or vaginal bleeding. (27 Sep 1997) |
| ectopic pregnancy, symptoms of | Symptoms of an ectopic pregnancy can often be vague and include vaginal bleeding, abdominal or pelvic pain (usually stronger on one side),shoulder pain, weakness, or dizziness. Weakness, dizziness, and a sense of passing out upon standing can represent serious internal bleeding, requiring immediate medical attention. (12 Dec 1998) |
| ectopic rhythm | Any cardiac rhythm arising from a centre other than the normal pacemaker, the sinus node. (05 Mar 2000) |
| ectopic schistosomiasis | A clinical form of schistosomiasis that occurs outside of the normal site of parasitism (mesenteric vein or hepatic portals); may result from accidental blood-borne transport of schistosome eggs or, rarely, adult worms, to various unusual sites such as the skin, brain, or spinal cord. (05 Mar 2000) |
| ectopic tachycardia | A tachycardia originating in a focus other than the sinus node, e.g., atrial, A-V junctional, or ventricular tachycardia. (05 Mar 2000) |
| ectopic teratosis | A teratosis in which the organs or other parts are misplaced. (05 Mar 2000) |
| ectopic testis | A variant of undescended testis wherein testicular position is outside the usual pathway of descent. See: testis ectopia. (05 Mar 2000) |
| ectopic thyroid | <radiology> Usually connects to normal thyroid, sites: lingual thyroid, thyroglossal duct remnant, anterior mediastinum (retrosternal thyroid), btw trachea and oesophagus, struma ovarii (teratoma variant), use pertechnetate first (rather than I-131) because of lower dose (12 Dec 1998) |
| ectopic ureter | Opens somewhere other than the bladder wall. (05 Mar 2000) |
| acrylic resin tooth | A tooth made of acrylic resin. (05 Mar 2000) |
| ankylosed tooth | <dentistry> Bony union of the radicular surface of a tooth to the surrounding alveolar bone in an area of previous partial root resorption. Extracapsular ankylosis, stiffness of a joint due to induration or heterotopic ossification of the surrounding tissues. Synonym: spurious ankylosis. (05 Mar 2000) |
| apex of cusp of tooth | The tip of the peaklike projections from the crown of a tooth. Synonym: apex cuspidis dentis. (05 Mar 2000) |
| apical foramen of tooth | The opening at the apex of the root of a tooth that gives passage to the nerve and blood vessels. Synonym: foramen apicis dentis, apical dental foramen, root foramen. (05 Mar 2000) |