| LAC | La Crosse [virus]; lactase; left atrial circumflex [artery]; left atrial contraction; linguoaxiocerv... |
|---|---|
| LANC | long-arm navicular cast |
| LLC | Lewis lung carcinoma; liquid-liquid chromatography; long-leg cast; lymphocytic leukemia |
| LLCC | long-leg cylinder cast |
| LLWC | long-leg walking cast |
| red cell cast | A urinary cast composed of a matrix containing red cells in various stages of degeneration and visibility, characteristic of glomerular disease or renal parenchymal bleeding. Synonym: red cell cast. (05 Mar 2000) |
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| cast | <orthopaedics> A molded orthopaedic appliance that may be composed of fibreglass or plaster useful in the immobilisation of a fracture site for the purposes of healing. (27 Sep 1997) |
| cast brace | A specially designed plaster or plastic cast incorporating hinges and other brace components; used in the treatment of fractures to promote early activity and early joint motion. (05 Mar 2000) |
| refractory cast | A cast made of material that will withstand the high temperatures of metal casting or soldering without disintegrating. Synonym: investment cast. (05 Mar 2000) |
| renal cast | Any type of cast formed in a renal tubule, and found in the urine consisting of various materials, e.g., albumin, cells, blood. Synonym: tube cast. (05 Mar 2000) |
| granular cast | A relatively dark, dense urinary cast of coarsely or finely particulate cellular debris and other proteinaceous material, frequently seen in chronic renal disease but also in the recovery phase of acute renal failure. See: waxy cast. (05 Mar 2000) |
| waxy cast | A form of urinary cast consisting of homogeneous proteinaceous material that has a high refractive index, in contrast to the low refractive index of hyaline cast's; waxy cast's probably represent an advanced stage of the disintegrative process that results in coarsely and finely granular cast's, and are usually indicative of oliguria or anuria. (05 Mar 2000) |
| coma cast | A renal cast of strongly refracting granules said to be indicative of imminent coma in diabetes. Synonym: Kulz's cylinder. (05 Mar 2000) |
| white blood cell cast | A urinary cast composed of polymorphonuclear leukocytes, characteristic of tubulointerstitial disease, especially pyelonephritis. (05 Mar 2000) |
| white cell cast | A cast in the urine composed of white blood cells. (05 Mar 2000) |
| mucous cast | <nephrology> An elongated, ribbon-like mucous thread with poorly defined edges and pointed or split ends, often confused with a true urinary cast. Synonym: cylindroid, mucous cast, pseudocast, spurious cast. (05 Mar 2000) |
| hair cast | 1. A cast composed of parakeratotic scales attached to scalp hair but freely movable up and down the hair shaft; found in scaling dermatitis of the scalp, including dandruff, psoriasis, and seborrheic dermatitis. Synonym: pseudonit. 2. A small, nodular accretion of epithelial cells and keratinous debris resulting from failure of the internal root sheath to disintegrate; it appears for 3 to 7 mm along the hair shaft. (05 Mar 2000) |
| halo cast | A cast applied to the shoulders in which metal bars are set that extend over the head to a halo, from which traction may be applied to the head by means of tongs or a halter. (05 Mar 2000) |
| hyaline cast | A relatively transparent renal cast composed of proteinaceous material derived from disintegration of cells; seen in patients with renal disease or transiently with exercise, fever, congestive heart failure, and diuretic therapy. (05 Mar 2000) |
| shadow-cast replica | <microscopy> A replica which has been shadowed. See: shadowing. (05 Aug 1998) |