| 释义 |
tachyphylaxis
tach·y·phy·lax·is T0008150 (tăk′ə-fĭ-lăk′sĭs)n. pl. tach·y·phy·lax·es (-fĭ-lăk′sēz) 1. Rapid desensitization to a toxic substance produced by inoculation with a series of small doses.2. A rapidly decreasing response to a drug following administration of the initial doses.tachyphylaxis (ˌtækɪfɪˈlæksɪs) n (Medicine) very rapid development of tolerance or immunity to the effects of a drug[New Latin, from tachy- + phylaxis on the model of prophylaxis. See prophylactic]tachyphylaxis
tachyphylaxis[‚tak·ə·fə′lak·səs] (immunology) Rapid desensitization against doses of organ extracts or serum by the previous inoculation of small subtoxic doses of the same preparation. tachyphylaxis
tach·y·phy·lax·is (tak'i-fī-lak'sis), Rapid appearance of progressive decrease in response to a given dose after repetitive administration of a pharmacologically or physiologically active substance. [tachy- + G. phylaxis, protection] tachyphylaxis (tăk′ə-fĭ-lăk′sĭs)n. pl. tachyphy·laxes (-fĭ-lăk′sēz) 1. Rapid desensitization to a toxic substance produced by inoculation with a series of small doses.2. A rapidly decreasing response to a drug following administration of the initial doses.tachyphylaxis A decrease in response to a drug due to prior exposure to the agent, which may be countered by increasing the dose. Tachyphylaxis has been reported in some women taking subcutaneous hormone-replacement therapy, in whom menopausal symptoms recur in the face of normal serum oestrogen levels.tach·y·phy·lax·is (tak'i-fi-lak'sis) Rapid appearance of progressive decrease in response to a given dose after repetitive administration of a pharmacologically or physiologically active substance. [tachy- + G. phylaxis, protection]tach·y·phy·lax·is (tak'i-fī-lak'sis) Rapid appearance of progressive decrease in response to a given dose after repetitive administration of a pharmacologically or physiologically active substance. [tachy- + G. phylaxis, protection] |