| REF | ejection fraction at rest; referred; refused; renal erythropoietic factor |
|---|---|
| REP | replication protein; rest-exercise program; retrograde pyelogram; roentgen equivalent-physical |
| REST | Raynaud's phenomenon, esophageal motor dysfunction, sclerodactyly, and telangiectasia [syndrome]; re... |
| RICE | rest, ice, compression, and elevation |
| ROW | Rendu-Osler-Weber [syndrome]; rest of the world |
occlusal position
| Valentine's position | A supine position on a table with double inclined plane so as to cause flexion at the hips; used to facilitate urethral irrigation. (05 Mar 2000) |
|---|---|
| mandibular hinge position | Any position of the mandible which exists when the condyles are so situated in the temporomandibular joints that opening or closing movements can be made on the hinge axis. (05 Mar 2000) |
| genucubital position | A prone position resting on the knees and elbows, assumed for gynecologic or rectal examination or operation. Synonym: genucubital position. (05 Mar 2000) |
| genupectoral position | A prone posture resting on the knees and upper part of the chest, assumed for gynecologic or rectal examination. Synonym: genupectoral position. (05 Mar 2000) |
| Casselberry position | A prone position assumed when drinking, after intubation, in order to prevent the entrance of fluid into the tube. (05 Mar 2000) |
| Mayo-Robson's position | A supine position with a thick pad under the loins, causing a marked lordosis in this region; used in operations on the gallbladder. (05 Mar 2000) |
| centric position | The position of the mandible in its most retruded unstrained relation to the maxillae. See: centric jaw relation. (05 Mar 2000) |
| reverse Trendelenburg position | Supine position without flexing or extending, in which the head is higher than the feet. (05 Mar 2000) |
| mentoanterior position | A cephalic presentation of the foetus with its chin pointing to the right (right mentoanterior, RMA) or to the left (left mentoanterior, LMA) acetabulum of the mother. (05 Mar 2000) |
| mentoposterior position | A cephalic presentation of the foetus with its chin pointing to the right (right mentoposterior, RMP) or to the left (left mentoposterior, LMP) sacroiliac articulation of the mother. (05 Mar 2000) |
| mentotransverse position | A cephalic presentation of the foetus with its chin pointing to the right (right mentotransverse, RMT) or to the left (left mentotransverse, LMT) iliac fossa of the mother. (05 Mar 2000) |
| Rose's position | The patient lies on his back with the head falling down over the end of the table; used in operations within the mouth or pharynx. (05 Mar 2000) |
| Walcher position | An obsolete term for a supine position of the parturient woman with the lower extremities falling over the edge of the table. (05 Mar 2000) |
| condylar hinge position | The position of the condyles in the temporomandibular joints from which a hinge movement is possible, the maxillomandibular relation from which a consciously stimulated true hinge movement can be executed. (05 Mar 2000) |
| position | 1. The state of being posited, or placed; the manner in which anything is placed; attitude; condition; as, a firm, an inclined, or an upright position. "We have different prospects of the same thing, according to our different positions to it." (Locke) 2. The spot where a person or thing is placed or takes a place; site; place; station; situation; as, the position of man in creation; the fleet changed its position. 3. Hence: The ground which any one takes in an argument or controversy; the point of view from which any one proceeds to a discussion; also, a principle laid down as the basis of reasoning; a proposition; a thesis; as, to define one's position; to appear in a false position. "Let not the proof of any position depend on the positions that follow, but always on those which go before." (I. Watts) 4. Relative place or standing; social or official rank; as, a person of position; hence, office; post; as, to lose one's position. 5. <mathematics> A method of solving a problem by one or two suppositions; called also the rule of trial and error. <astronomy> Angle of position, the angle which any line (as that joining two stars) makes with another fixed line, specifically with a circle of declination. <mathematics> Double position, a position taken up by an army or a large detachment of troops for the purpose of checking or observing an opposing force. Synonym: Situation, station, place, condition, attitude, posture, proposition, assertion, thesis. Origin: F. Position, L. Positio, fr. Ponere, positum, to put, place; prob. For posino, fr. An old preposition used only in comp. (akin to Gr) + sinere to leave, let, permit, place. See Site, and cf. Composite, Compound, Depone, Deposit, Expound, Impostor, Opposite, Propound, Pose, Posit, Post. Source: Websters Dictionary (01 Mar 1998) |