agonist
英 ['ægənɪst]
美['ægənɪst]
- n. 收缩筋；兴奋剂
英英释意
- 1. the principal character in a work of fiction
- 2. someone involved in a contest or battle (as in an agon)
- 3. a muscle that contracts while another relaxes;
- "when bending the elbow the biceps are the agonist"
- 4. (biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction