| RL | radial line; radiation laboratory; reduction level; renal dysplasia-limb defects [syndrome]; resisti... |
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| RP | radial pulse; radiopharmaceutical; rapid processing [of film]; Raynaud phenomenon; reactive protein;... |
| SBRN | sensory branch of radial nerve |
| SRDT | single radial diffusion test |
| SRH | single radial hemolysis; somatotropin-releasing hormone; spontaneously responding hyperthyroidism; s... |
| radial phenomenon | Dorsal flexion of the hand occurring involuntarily with palmar flexion of the fingers. (05 Mar 2000) |
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| radial ponderomotive force stabilisation | <radiobiology> In magnetic mirror devices, use of rf waves in the neighborhood of the ion cyclotron frequency to stabilise interchange modes. The radial ponderomotive force produced by a radial gradient in the applied rf electric field opposes the destabilising centrifugal force resulting from bad magnetic field curvature. The net particle current is in the direction that would result from field lines with good curvature, eliminating the drive for the interchange instability. (09 Oct 1997) |
| radial pulse | The pulse as appreciated at the radial artery usually in the wrist. (05 Mar 2000) |
| radial reflex | On tapping the lower end of the radius, flexion of the forearm occurs, and sometimes, on strong percussion, flexion of the fingers. See: inverted radial reflex. (05 Mar 2000) |
| radial scar | A variant of sclerosing adenosis of the breast with central scar formation and radiating hyperplastic ducts. Synonym: radial scar. (05 Mar 2000) |
| radial sclerosing lesion | A variant of sclerosing adenosis of the breast with central scar formation and radiating hyperplastic ducts. Synonym: radial scar. (05 Mar 2000) |
| radial spoke | The structure that links the outer microtubule doublet of the ciliary axoneme with the sheath that surrounds the central pair of microtubules. The spokes are arranged periodically along the axoneme every 29nm, have a stalk about 32nm long and a bulbous region adjacent to the sheath. at least 17 different polypeptides are associated with the spokes. Spokes are thought to restrict the sliding of doublets relative to one another, digestion of the radial spokes will allow sliding apart of the doublets. (18 Nov 1997) |
| radial styloid tendovaginitis | Fibrosis of the sheath of a tendon of the thumb. Synonym: radial styloid tendovaginitis. (05 Mar 2000) |
| radial tuberosity | An oval projection from the medial surface of the radius just distal to the neck, giving attachment on its posterior half to the tendon of the biceps. Synonym: tuberositas radii, bicipital tuberosity, tuber radii, tuberosity of radius. (05 Mar 2000) |
| radial veins | Venae comitantes of the raidal artery continuing from those of the radial aspect of the deep palmar arch, draining into the venae comitantes of the brachial artery in the cubital fossa. Synonym: venae radiales. (05 Mar 2000) |
| groove for radial nerve | <anatomy, nerve> The shallow groove that passes around the shaft of the humerus; it lodges the radial nerve and deep brachial artery. Synonym: sulcus nervi radialis, musculospiral groove, spiral groove. (05 Mar 2000) |
| Muller's radial cells | Sustentacular neuroglial cells of the retina running through the thickness of the retina from the internal limiting membrane to the bases of the rods and cones where they form a row of junctional complexes. Synonym: Muller's radial cells, sustentacular fibres of retina. (05 Mar 2000) |
| myometrial radial arteries | Continuations of the myometrial arcuate artery's. (05 Mar 2000) |
| short radial extensor muscle of wrist | <anatomy, muscle> Origin, lateral epicondyle of humerus; insertion, base of third metacarpal bone; action, extends and abducts wrist radialward; nerve supply, radial. Synonym: musculus extensor carpi radialis brevis, short radial extensor muscle of wrist. (05 Mar 2000) |
| superficial branch of the radial nerve | <anatomy, nerve> Cutaneous terminal branch (with deep branch) which runs under cover of brachioradialis muscle to wrist, then supplies skin of proximal portion of the dorsal aspects of thumb, index, middle and lateral half of ring fingers and the portion of the dorsum of the hand located proximally. Synonym: ramus superficialis nervi radialis. (05 Mar 2000) |