| aseptic | <microbiology> Freedom from infection or septic material, sterile. (18 Nov 1997) |
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| aseptic bursitis | Inflammation of a bursa that is not caused by infection. A bursa is a closed fluid-filled sac that functions as a gliding surface to reduce friction between tissues of the body. When the bursa becomes inflamed, the condition is known as bursitis. most commonly this is not an infectious condition (aseptic bursitis). (12 Dec 1998) |
| aseptic fever | Fever accompanied by malaise due to absorption of dead but not infected tissue following an injury. (05 Mar 2000) |
| aseptic meningitis | <neurology> A meningeal reaction in the cerebrospinal fluid sometimes occurring in the absence of an infecting organism. It can be due to a virus, foreign substance, diagnostic or therapeutic procedure, or to a tumour or a septic focus within the skull or spinal canal. <virology> When due to a virus, it is seen most often in those under 30 years of age. Peak time for infection is in late summer. Majority of cases are caused by the Coxsackie and echovirus. (21 Jun 1999) |
| aseptic necrosis | <orthopaedics, pathology> Condition in which poor blood supply to an area of bone leads to bone death. Also called avascular necrosis and osteonecrosis. (12 Dec 1998) |
| aseptic surgery | The performance of an operation with sterilised hands, instruments, etc., and utilizing precautions against the introduction of infectious microorganisms from without. (05 Mar 2000) |
| aseptic technique | <procedure> A method used by microbiologists and clinicians to keep cultures, sterile instruments and media, and people free of microbial contamination. (09 Oct 1997) |
| asepticism | The practice of aseptic surgery. (05 Mar 2000) |
| bursitis, aseptic | A bursa is a closed fluid-filled sac that functions as a gliding surface to reduce friction between tissues of the body. When the bursa becomes inflamed, the condition is known as bursitis. most commonly this is not an infectious condition (aseptic bursitis). (12 Dec 1998) |
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| epiphysial aseptic necrosis | Aseptic necrosis of bony epiphyses, probably due to ischemia; it may affect the upper end of the femur (Legg-Calve-Perthes disease), the tibial tubercle (Osgood-Schlatter disease), the tarsal navicular bone or the patella (Kohler's disease), the second metatarsal head (Freiberg's disease), vertebral bodies (Scheuermann's disease), or the capitellum of the humerus (Panner's disease). (05 Mar 2000) |