| RAI | radioactive iodine; radioactive isotope; resident assessment instrument; resting ankle index; right ... |
|---|---|
| RAR | rapidly adapting receptor; rat insulin receptor; retinoic acid receptor; right arm reclining; right ... |
| RB | radiation burn; rating board; rebreathing; reticulate body; retinoblastoma; right bronchus; right bu... |
| RBA | relative binding affinity; rescue breathing apparatus; right basilar artery; right brachial artery; ... |
| RCA | red cell agglutination; relative chemotactic activity; renal cell carcinoma; right carotid artery; r... |
| right colic artery | <anatomy, artery> Origin, superior mesenteric, sometimes by a common trunk with the ileocolic; distribution, ascending colon; anastomoses, middle colic, ileocolic. Synonym: arteria colica dextra. (05 Mar 2000) |
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| right colic flexure | The bend of the colon at the juncture of its ascending and transverse portions. Synonym: flexura coli dextra, hepatic flexure. (05 Mar 2000) |
| right colic lymph nodes | Nodes located along the right colic artery that drain the upper part of the ascending colon. Synonym: nodi lymphatici colici dextri. (05 Mar 2000) |
| right colic vein | <anatomy, vein> The vein that parallels the right colic artery and drains blood from the ascending colon and right colic flexure. Synonym: vena colica dextra. (05 Mar 2000) |
| right coronary artery | <anatomy, artery> Origin, right aortic sinus; distribution, it passes around the right side of the heart in the coronary sulcus, giving branches to the right atrium and ventricle, including the atrioventricular branches and the posterior interventricular branch. Synonym: arteria coronaria dextra. (05 Mar 2000) |
| right coronary artery branches | <radiology> Conus branch, branch to S-A node, acute marginal branches, branches to posterior left ventricle, branch to A-V node, posterior descending artery (patent ductus arteriosus, 90%), hence, right coronary a. Is usually dominant (12 Dec 1998) |
| right crus of atrioventricular bundle | The right leg or branch of the atrioventricular bundle which diverges from the left crus just below the membranous portion of the interventricular septum to descend the septal wall of the right ventricle and ramify beneath the endocardium. Synonym: crus dextrum fasciculi atrioventricularis. (05 Mar 2000) |
| right crus of diaphragm | The muscular origin of the diaphragm from the bodies of the upper three or four lumbar vertebrae that passes upward to the right of the aorta toward the central tendon; the oesophageal hiatus is a parting of the fibres of the right crus to allow passage of the oesophagus. Synonym: crus dextrum diaphragmatis. (05 Mar 2000) |
| right duct of caudate lobe | The bile duct from the right half of the caudate lobe, a tributary to the right hepatic duct. Synonym: ductus lobi caudati dexter. (05 Mar 2000) |
| right-eyed | Rarely used term for indicating right ocular dominance; denoting one who prefers the right eye in monocular work, such as microscopy. Synonym: right-eyed. Origin: dextro-+ L. Oculus, eye (05 Mar 2000) |
| right fibrous trigone | Part of the fibrous skeleton of the heart located between the aortic fibrous ring and rings surrounding the right and left atrioventricular ostia. Synonym: trigonum fibrosum dextrum. (05 Mar 2000) |
| right-footed | Denoting one who uses the right leg in preference to the left. Synonym: right-footed. Origin: dextro-+ L. Pes (ped-), foot (05 Mar 2000) |
| right gastric artery | <anatomy, artery> Origin, hepatic; distribution, pyloric portion of stomach on the lesser curvature; anastomoses, left gastric. Synonym: arteria gastrica dextra, pyloric artery. (05 Mar 2000) |
| right gastric lymph nodes | Small nodes along the course of the right gastric artery that drain part of the lesser curvature of the stomach. Synonym: nodi lymphatici gastrici dextri. (05 Mar 2000) |
| right gastric vein | <anatomy, vein> It receives veins from both surfaces of the upper portion of the stomach, runs to the right along the lesser curvature of the stomach, and empties into the portal vein. Synonym: vena gastrica dextra, pyloric vein. (05 Mar 2000) |