| 释义 |
† phylaxis Path. Obs.|fɪˈlæksɪs|
[ad. Gr. ϕύλαξις watching, guarding; cf. anaphylaxis.]
The protection of a cell or organism against the effects of a toxin, esp. a neurotoxin, by the action of an artificially introduced substance which prevents its uptake by cells. Hence phyˈlactic a.
1913[see anaphylaxis]. 1919A. E. Wright in Lancet 29 Mar. 490/1 To combat bacterial infection the organism must have defensive powers. That power of guarding itself against infection we may—the suggestion is Lord Moulton's—call phylactic power. The leucocytes and the bacteriotropic substances in the blood fluid we may call phylactic agents. 1931H. Gainsborough tr. Billard's Phylaxis i. 11 After a discussion with G. Ramon and in agreement with him..I adopted a new term—phylaxis. Ibid. iii. 29 (heading) Phylaxis by certain mineral waters against certain neurotoxins. Ibid. 40 As regards the phylactic action of sparteine I have insisted at some length on the particular affinity of the neurotoxins for the lipoids. 1931Times Lit. Suppl. 3 Dec. 985/4 Phylaxis is a conception mainly due to Professor Billard's experiments. |