| 单词 | tachyphylaxis |
| 释义 | tachyphylaxis —tachyphylactic /tak'euh fi lak"tik/, adj. /tak'euh fi lak"sis/, n. 1. Med. immediate, temporary immunization against the effects of injection of a toxic extract owing to previous small injections of the same extract. 2. a decreased response to a medicine given over a period of time so that larger doses are required to produce the same response. Also, tachyphylaxia /tak'euh fi lak"see euh/. [TACHY- + Gk phýlaxis a guarding, equiv. to phylak- (s. of phylássein to guard) + -sis -SIS] |
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