| SLP | left sacroposterior [fetal position] [Lat. sacrolaeva posterior]; segmental limb systolic pressure; ... |
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| SSI | segmental sequential irradiation; shoulder subluxation inhibition; small-scale integration; Social S... |
| HC | 1) Head Circumferrence; µÎÀ§ 2) źȼö¼Ò 3) Head Compression... |
| AHN | Army Head Nurse; assistant head nurse |
| HC | hair cell; hairy cell; handicapped; head circumference; head compression; health care; healthy contr... |
| AAS | Atlantoaxial subluxation |
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| H-H | head-to head |
| PERK | Prospective Evaluation of Radial Keratotomy |
| RBF | Radial Basis Function |
| RH | Radial Haemolysis |
| radial head subluxation | Subluxation of the radial head within the elbow joint is also referred to as nursemaid's elbow. This orthopaedic condition is seen commonly in toddlers who may be lifted up by outstretched arms. Instability of the radial head leads to subluxation. The child with nursemaid's usually has their arm in hanging in extension at their side and any attempted movement of the elbow joint is met with pain. (27 Sep 1997) |
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| radial head | The name applied to a head of origin of a muscle arising from the radius. Nomina Anatomica no longer lists any muscles as having radial heads, although formerly a radial head was listed for the flexor digitorum superficialis muscle Synonym: caput radiale. (05 Mar 2000) |
| fovea of the radial head | The depression on the top (superior surface) of the head of the radius for articulation with the capitulum of the humerus. Synonym: fovea articularis capitis radii, articular pit of head of radius. (05 Mar 2000) |
| atlantoaxial subluxation | <radiology> Arthritic, rheumatoid arthritis, JRA, psoriatic arthritis, ankylosing spondylitis (late feature in 2%), lupus (systemic lupus erythematosus), congenital, Down syndrome (in 20%), Morquio disease, atlanto-occipital fusion, congenital absence/hypoplasia of dens (2/3 have history of trauma), infectious, retropharyngeal abscess, traumatic (12 Dec 1998) |
| rotary subluxation of scaphoid | <radiology> Scaphoid ring sign, Terry Thomas sign (scapho-lunate dissociation) (12 Dec 1998) |
| subluxation | The abnormal movement of one of the bones that comprise a joint. Not a true dislocation. A partial dislocation. An example of this would be radial head subluxation in the elbow (nursemaids elbow). Severe arthritis with advanced deformation of the joint space can result in subluxation. (27 Sep 1997) |
| subluxation without erosion | <radiology> Systemic lupus erythematosis, Jaccoud's (12 Dec 1998) |
| lens subluxation | Incomplete rupture of the zonule with the displaced lens remaining behind the pupil. In dislocation, or complete rupture, the lens is displaced forward into the anterior chamber or backward into the vitreous body. When congenital, this condition is known as ectopia lentis. (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) |
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