| retractor | One who, or that which, retracts. Specifically: In breech-loading firearms, a device for withdrawing a cartridge shell from the barrel. <anatomy> A muscle serving to draw in any organ or part. Source: Websters Dictionary (01 Mar 1998) |
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| cheek retractor | <dentistry> Small plastic pieces used to draw back your lips and cheeks so the orthodontist can more easily see you teeth and work in your mouth. (08 Jan 1998) |
| Desmarres' dacryoliths | White pseudoconcretions, composed of masses of Nocardia species found in the lacrimal canaliculi. Synonym: Desmarres' dacryoliths. (05 Mar 2000) |
| Desmarres, Louis | <person> French ophthalmologist, 1810-1882. See: Desmarres' dacryoliths. (05 Mar 2000) |