| 单词 | active immunity |
| 释义 | > as lemmasactive immunity active immunity n. Immunology acquired immunity which is induced in an individual by exposure to an antigenic stimulus. ΘΚΠ the world > life > biology > biological processes > immunogenesis > [noun] > immune response > immunity active immunity1897 autoimmunity1901 adaptive immunity1925 1897 R. Muir & J. Ritchie Man. Bacteriol. xix. 426 Active immunity is obtained by (a) injections of the organisms either in an attenuated condition or in sub-lethal doses, or (b) by sub-lethal doses of their products. 1928 L. E. H. Whitby Med. Bacteriol. ii. 16 In active immunity the defensive mechanisms of the body have been created either by a response to a previous infection or artificially by inoculation with vaccines. 1985 M. F. Myles Textbk. Midwives (ed. 10) xxviii. 485 Some weeks elapse before the baby produces an active immunity to various organisms. 2001 N. Jones Rough Guide Trav. Health i. 8 The most common method, known as active immunity, stimulates the body to make antibodies to the disease in response to a vaccination or by contracting the infection itself. < as lemmas |
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