Aseptic
Aseptic: The absence of microorganisms. By contrast, something that just discourages the growth of microorganisms is antiseptic.
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- Aseptic bursitis
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).
- Aseptic necrosis
Condition in which poor blood supply to an area of bone leads to bone death. Also called avascular necrosis and osteonecrosis.
- Asexual
Asexual: 1. Without sexual desire or interest. Someone with seemingly no sexual drive. 2. Referring to reproduction without the combination of genetic material with another individual. Yeast can reproduce asexually by budding.
- Asian cholera
Asian cholera: A devastating and sometimes lethal disease with intense vomiting and profuse watery diarrhea was discovered in 1883 to be due to infection with the bacteria Vibrio cholerae, a discovery made by the renowned German bacteriologist Robert Koch (1843-1910). Asian cholera is synonymous with cholera.
- Asian flu
Asian flu: A pandemic of influenza A (H2N2) in 1957-58. First identified in China in late February 1957, the Asian flu spread to the United States by June 1957 where it caused about 70,000 deaths. Also known as Asian influenza. Immunity to this strain of influenza A (H2N2) was rare in people less than 65 […]