| excavation | 1. A natural cavity, pouch, or recess. Synonym: excavatio. 2. A cavity formed artificially or as the result of a pathologic process. (05 Mar 2000) |
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| excavation of optic disc | The normally occurring depression or pit in the centre of the optic disc. Synonym: excavatio disci, depression of optic disk, excavatio papillae, physiologic cup, physiologic excavation. (05 Mar 2000) |
| atrophic excavation | An exaggeration of the normal or physiologic cupping of the optic disk caused by atrophy of the optic nerve. (05 Mar 2000) |
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| glaucomatous excavation | A deep depression of the optic disk combined with optic atrophy; caused by glaucoma. Synonym: glaucomatous excavation. (05 Mar 2000) |
| physiologic excavation | The normally occurring depression or pit in the centre of the optic disc. Synonym: excavatio disci, depression of optic disk, excavatio papillae, physiologic cup, physiologic excavation. (05 Mar 2000) |