| PERK | prospective evaluation of radial keratotomy [protocol] |
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| RK | rabbit kidney; radial keratotomy; reductase kinase; rhodopsin kinase; right kidney |
| VATER Associations | Vertebral defects Anal atresia Tracheo-Esophageal fistula ... |
| AR | absolute risk; accounts receivable; achievement ratio; actinic reticuloid [syndrome]; active resista... |
| A/R | apical/radial |
| PERK | Prospective Evaluation of Radial Keratotomy |
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| RK | Radial Keratotomy |
| AK | astigmatic keratotomy |
| RBF | Radial Basis Function |
| RH | Radial Haemolysis |
| keratotomy, radial | A procedure to treat myopia by cutting radial slits into the cornea to flatten it and thereby change its refractive properties. (12 Dec 1998) |
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| radial keratotomy | A keratotomywith radial incisions around a clear central zone. A form of refractive keratoplasty used in the treatment of myopia. (05 Mar 2000) |
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| refractive keratotomy | Modification of corneal curvature by means of corneal incisions to minimise hyperopia, myopia, or astigmatism.In this type of radial keratotomy surgery, performed by excimer laser, pie-shaped pieces of cornea are removed under local anaesthetic. The resulting scar tissue formation reshapes the cornea. This class of surgery is somewhat unpredictable, and its long-term effects are still unknown. (05 Mar 2000) |
| delimiting keratotomy | Incision in the cornea along the margin of an advancing ulcer. (05 Mar 2000) |
| keratotomy | A surgical incision (cut) of the cornea. A radial keratotomy is a surgical procedure designed to flatten the cornea and thereby correct myopia (nearsightedness). It is called a radial keratotomy because the incisions resemble the spokes in a bicycle wheel. (12 Dec 1998) |
| radial | <botany> Of or pertaining to a radius or ray; consisting of, or like, radii or rays; radiated; as, the radial artery. Radial symmetry. <biology> See Symmetry. Origin: Cf. F. Radial. See Radius. Source: Websters Dictionary (01 Mar 1998) |
| radial acceleration | The centripetal acceleration of a particle or vehicle moving along a curved path at a constant velocity; e.g., turning a curve in an automobile, pulling out of a dive, or performing a loop manoeuvre in an aircraft. In aviation, acceleration varies directly with the square of the air speed and inversely with the radius of the turn (a = V2/r, where V is air speed and r is radius of turn). (05 Mar 2000) |
| radial aplasia-thrombocytopenia syndrome | <syndrome> Aplasia (absence) of the radius (the long bone on the thumb-side of the forearm) and thrombocytopenia (low blood platelets) are key features characterizing this syndrome. There is phocomelia (flipper-limb) with the thumbs always present. The fibula (the smaller bone in the lower leg) is often absent. The risk of bleeding from too few platelets is high in early infancy but lessens with age. The condition is inherited in an autosomal recessive trait with one gene (on a non-sex chromosome) coming from each parent to the child affected with the disease. Alternative names include thrombocytopenia-absent radius syndrome, tar syndrome, and tetraphocomelia-thrombocytopenia syndrome. (12 Dec 1998) |
| radial artery | <anatomy, artery> The direct continuation of the brachial trunk, originating at the bifurcation of the brachial artery opposite the neck of the radius. Its branches may be divided into three groups corresponding to the three regions in which the vessel is situated, the forearm, wrist, and hand. (12 Dec 1998) |
| radial border of forearm | An imaginary line running along the outermost extent of the forearm separating anterior and posterior surfaces laterally. Synonym: margo lateralis antebrachii, margo radialis antebrachii, radial border of forearm. (05 Mar 2000) |
| radial bursa | <anatomy> The synovial sheath that envelops the tendon of the flexor pollicis longus in its course through the carpal canal; it is continuous with the digital sheath of the thumb, the two generally being considered as one sheath. Synonym: vagina tendinis musculi flexoris pollicis longi, radial bursa. (05 Mar 2000) |
| radial clubhand | Clubhand with angular deviation towards radial side of limb. See: manus valga. (05 Mar 2000) |
| radial collateral artery | <anatomy, artery> The anterior terminal branch of the profunda brachii, anastomosing with the radial recurrent, forming part of the articular network of the elbow. Synonym: arteria collateralis radialis. (05 Mar 2000) |
| radial collateral ligament | The ligament that connects the lateral epicondyle of the humerus with the annular ligament of the radius. Synonym: ligamentum collaterale radiale, lateral ligament of elbow, radial collateral ligament. (05 Mar 2000) |
| radial collateral ligament of elbow | The ligament that connects the lateral epicondyle of the humerus with the annular ligament of the radius. Synonym: ligamentum collaterale radiale, lateral ligament of elbow, radial collateral ligament. (05 Mar 2000) |
| radial collateral ligament of wrist | The ligament that extends distally from the styloid process of the radius to the carpal bones. Synonym: ligamentum collaterale carpi radiale, external collateral ligament of wrist, lateral ligament of wrist. (05 Mar 2000) |
Synonyms : Keratotomies, Radial, Radial Keratotomies
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