| RE | radium emanation; readmission; rectal examination; reference emitter; reflux esophagitis; regional e... |
|---|---|
| rect | rectal; rectification, rectified; rectum; rectus [muscle] |
| RMS | rectal morphine sulfate [suppository]; red man syndrome; repetitive motion syndrome; respiratory mus... |
| RP | radial pulse; radiopharmaceutical; rapid processing [of film]; Raynaud phenomenon; reactive protein;... |
| RT | radiologic technologist; radiotelemetry; radiotherapy; radium therapy; rapid tranquilization; reacti... |
| SRUS | Solitary rectal ulcer syndrome |
|---|---|
| Tre | The rectal temperature |
| TRUS | Trans-rectal ultra-sonography |
| DRE | digital rectal exam |
| sinuses | Air filled cavities. Examples are the ethmoids, maxillary, frontal and sphenoid sinuses. (27 Sep 1997) |
|---|---|
| sinuses of dura mater | Endothelium-lined venous channels in the dura mater. Synonym: sinus durae matris, cerebral sinuses, cranial sinuses, sinuses of dura mater, venous sinuses. (05 Mar 2000) |
| syndromes of paranasal sinuses | <radiology> Gardner: osteomas, Kartagener: chronic infection, basal cell-nevoid, neurofibromatosis, Down (trisomy 21): hypoplastic frontal, sphenoid, with or without ethmoid, progeria: absent frontal sinuses; dwarf, immature, cleidocranial dysostosis: all sinuses absent/small (12 Dec 1998) |
| dural venous sinuses | Endothelium-lined venous channels in the dura mater. Synonym: sinus durae matris, cerebral sinuses, cranial sinuses, sinuses of dura mater, venous sinuses. (05 Mar 2000) |
| intercavernous sinuses | The anterior and posterior anastomoses between the cavernous sinus's, passing anterior and posterior to the hypophysis and forming, with the cavernous sinuses, the circular sinus. Synonym: sinus intercavernosi, Ridley's sinus. Jugular sinus Sinus jugularis, one of three enlargements of the jugular veins; the external jugular sinus is between the two sets of valves; the internal jugular sinus's are at the origin (superior bulb) and near the termination (inferior bulb). (05 Mar 2000) |
| administration, rectal | The insertion of drugs into the rectum, usually for confused or incompetent patients, like children, infants, and the very old or comatose. (12 Dec 1998) |
| cancer, rectal | A malignant tumour arising from the inner wall of the end (rectum) of the large intestine. The third leading cause of cancer in males, fourth in females in the U.S. Risk factors for cancer of the colon and rectum (colorectal cancer) include heredity, colon polyps, and long standing ulcerative colitis. most colorectal cancers develop from polyps. Removal of colon polyps can prevent colorectal cancer. Colon polyps and early cancer can have no symptoms. Therefore, regular screening is important. Diagnosis can be made by barium enema or by colonoscopy with biopsy confirmation of cancer tissue. Surgery is the most common treatment for colorectal cancer. (12 Dec 1998) |
| rectal | <anatomy> Pertaining to the rectum, the distal portion of the large intestine. (18 Nov 1997) |
| rectal ampulla | A dilated portion of the rectum just above the anal canal. Synonym: ampulla recti, ampulla of rectum. (05 Mar 2000) |
| rectal anaesthesia | General anaesthesia produced by instillation into the rectum of a solution containing a central nervous system depressant. (05 Mar 2000) |
| rectal cancer | A malignant tumour arising from the inner wall of the large intestine. The third leading cause of cancer in males, fourth in females in the u.s. Risk factors include heredity (family history), colon polyps, and long-standing ulcerative colitis. most colorectal cancers develop from polyps. Colon polyp removal can prevent colorectal cancer. Colon polyps and early cancer can have no symptoms so regular screening is important. Diagnosis of colorectal cancer can be made by barium enema or by colonoscopy with biopsy confirmation of cancer. (12 Dec 1998) |
| rectal columns | A number of vertical ridges in the mucous membrane of the upper half of the anal canal formed as the caliber of the canal is sharply reduced from that of the rectal ampulla. Synonym: columnae anales, Morgagni's columns, rectal columns. (05 Mar 2000) |
| rectal fistula | Abnormal passage communicating with the rectum. (12 Dec 1998) |
| rectal folds | The three or four crescentic folds placed horizontally in the rectal mucous membrane; the superior rectal fold is situated near the beginning of the rectum on the left side; the middle rectal fold (Nelaton's fold) is most prominent and consistent and projects from the right side about 8 cm above the anus (approximately the level of the floor of the rectouterine or rectovesical pouch); the inferior rectal fold is on the left side about 5 cm above the anus. Synonym: plicae transversales recti, Houston's folds, Houston's valves, Kohlrausch's valves, plicae recti, rectal folds, rectal valves. (05 Mar 2000) |
| rectal plexuses | See: inferior rectal plexuses, middle rectal plexuses, superior rectal plexus. (05 Mar 2000) |