Condition in which poor blood supply to an area of bone leads to bone death. Also called avascular necrosis and osteonecrosis.
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 […]
ASOT: Antistreptolysin O Titer. A blood test that looks for antibodies to the streptococcus A bacteria. Also abbreviated ASLO.
Asparagine: An amino acid, one of the 20 building blocks of protein. Asparagine is nonessential to the diet since the body can synthesize it. Asparagine is important to the metabolism of ammonia. It was the first amino acid to be isolated from a natural source, asparagus juice (1806). Symbol: Asn.