| intramedullary reamer | A rasp used for shaping the intramedullary portion of the metaphysis prior to the insertion of an appliance or a prosthesis. (05 Mar 2000) |
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| reamer | A rotating finishing or drilling tool used to shape or enlarge a hole. Origin: A.S. Ryman, to widen (05 Mar 2000) |
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| engine reamer | An engine-mounted spirally-bladed instrument, used for enlarging the root canals of teeth. (05 Mar 2000) |
| intramedullary | 1. Within the bone marrow. 2. Within the spinal cord. 3. Within the medulla oblongata. (05 Mar 2000) |
| intramedullary anaesthesia | Rarely used method of general anaesthesia by injection of intravenous anaesthetic agent(s) into the medullary canal of long bones. Synonym: intraosseous anaesthesia. (05 Mar 2000) |
| intramedullary mass | <radiology> Ependymoma, astrocytoma, syrinx, post-radiation myelopathy, haematoma (posttraumatic or AVM) (12 Dec 1998) |
| intramedullary tractotomy | Division of the descending fibres of the trigeminal tract in the medulla. Synonym: intramedullary tractotomy, Sjoqvist tractotomy. (05 Mar 2000) |