| Graefe's knife | A narrow-bladed knife used in making a section of the cornea. (05 Mar 2000) |
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| von Graefe's sign | <clinical sign> In Grave's disease, lag of the upper eyelid as it follows the rotation of the eyeball downward. Synonym: von Graefe's sign. (05 Mar 2000) |
| Graefe, Albrecht von | <person> German ophthalmologist, 1828-1870. See: Graefe forceps, Graefe's knife, Graefe's operation, Graefe's sign, Graefe's spots, pseudo-Graefe's phenomenon, Graefe's sign, von Graefe's sign. (05 Mar 2000) |
| Graefe forceps | A small thumb forceps with one horizontal row of six or eight delicate teeth across each tip. (05 Mar 2000) |
| Graefe's operation | Removal of cataract by a limbal incision with capsulotomy and iridectomy. Both operations were landmarks in the field of ophthalmic surgery, iridectomy for glaucoma. (05 Mar 2000) |
| Graefe's sign | <clinical sign> In Grave's disease, lag of the upper eyelid as it follows the rotation of the eyeball downward. Synonym: von Graefe's sign. (05 Mar 2000) |
| Graefe's spots | Small areas over the vertebrae or near the supraorbital foramen, pressure upon which causes relaxation of blepharofacial spasm. (05 Mar 2000) |
| pseudo-Graefe sign | <clinical sign> A lid retraction phenomenon similar to Graefe's sign, but due to aberrant regeneration of fibres of the oculomotor nerve into the levator of the upper lid. (05 Mar 2000) |
| pseudo-Graefe's phenomenon | Retraction of the upper eyelid on downward movement of the eyes. (05 Mar 2000) |
| amputation knife | A broad-bladed knife used primarily for transecting large muscles during major amputations. (05 Mar 2000) |
| Beer's knife | A triangular knife with a sharp point and one sharp edge, formerly used for incision for cataract. (05 Mar 2000) |
| valvotomy knife | A knife used in mitral or venous valvular surgery; also called valvulotome. (05 Mar 2000) |
| gamma knife | <radiobiology> A special multi-source irradiation machine which focus a high intesity of irradiation on a small area: it is used as local therapy in especially brain tumours. This is investigational and is not part of the routine array of cancer treatments. (16 Dec 1997) |
| gamma ray knife | A beam of high energy X-rays. See: radiosurgery. (05 Mar 2000) |
| cartilage knife | A very stiff scalpel-shaped knife used in cutting cartilage. Synonym: cartilage knife, ecchondrotome. Origin: chondro-+ G. Tome, cutting (05 Mar 2000) |