| 释义 |
X disease
[X 3.]
1. Path. (chiefly Austral.) A disease now identified as Murray Valley encephalitis (see Murray Valley).
1918Med. Jrnl. Australia 6 Apr. 278/2 On 25th August, 1917, I published in the Journal an account of an epidemic at Broken Hill of what is now called the ‘X’ disease. 1951Ibid. 2 June 800/1 Our case differs from the classical picture of X disease..in the lack of cellular infiltration in the brain. 1964[see Q fever]. 1983Oxf. Textbk. Med. I. v. 101/1 Murray Valley (formerly) Australia encephalitis. This disease was originally called Australian X disease.
2. Vet. Sci. = blue comb (disease) s.v. blue a. 13. (Now known to be caused by a mycotoxin.)
1950[see blue comb (disease) s.v. blue a. 13]. 1961New Scientist 17 Aug. 403/3 A consignment of groundnut meal from Brazil contained an agent toxic to young turkeys, which proved responsible for the death of some 100,000 birds from the hitherto mysterious X disease... The exact nature of the toxic principle has still not been found. |