| 单词 | depressor |
| 释义 | depressor /di pres"euhr/, n. 1. a person or thing that depresses. 2. Surg. an instrument for pressing down a protruding part, as a tongue depressor. 3. Anat. a. a muscle that draws down a part of the body, as the corner of the mouth. Cf. levator. b. Also called depressor nerve. a nerve that, when stimulated, induces a decrease in activity, as a slowed heartbeat. [1605-15; < LL, deriv. of L deprimere (see DEPRESS, -TOR)] |
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