re·trac·tor 
(rĭ-trăktər)
(rĭ-trăktər)n.
One that retracts, as:
a. Anatomy A muscle, such as a flexor, that retracts an organ or a part.
b. Medicine A surgical instrument used to hold back organs or the edges of an incision.
| 单词 | retractor |
| 释义 | re·trac·tor (rĭ-trăktər)n. One that retracts, as: a. Anatomy A muscle, such as a flexor, that retracts an organ or a part. b. Medicine A surgical instrument used to hold back organs or the edges of an incision. |
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