meaning of retractor
1. One who, or that which, retracts.
2. In breech-loading firearms, a device for withdrawing a cartridge shell from the barrel.
3. An instrument for holding apart the edges of a wound during amputation.
4. A bandage to protect the soft parts from injury by the saw during amputation.
5. A muscle serving to draw in any organ or part. See Illust. under Phylactolaemata.
6. surgical instrument that holds back the edges of a surgical incision
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