| aural | <anatomy> Pertaining to or perceived by the ear, as an aural stimulus. Origin: L. Auris (18 Nov 1997) |
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| aural myiasis | Invasion of the external, middle, or inner ear by larvae of dipterous insects. (05 Mar 2000) |
| aural polyp | <otolaryngology> A benign polyp in the external ear canal that can be attached to the tympanic membrane. (27 Sep 1997) |
| aural vertigo | Vertigo caused by disease of the internal ear or pressure of cerumen on the drum membrane. Non-specific term for vertigo caused by labyrinthine disorders. (05 Mar 2000) |
| cranio-aural | Relating to the skull and the ear. (05 Mar 2000) |
| intra-aural | Within the ear. Origin: intra-+ L. Auris, ear (05 Mar 2000) |
| absolute scotoma | A scotoma in which there is no perception of light. (05 Mar 2000) |
| annular scotoma | A circular scotoma surrounding the centre of the field of vision. See: ring scotoma. (05 Mar 2000) |
| arcuate scotoma | A scotoma extending from the blind spot and arching into the nasal field following the lines of retinal nerve fibres. (05 Mar 2000) |
| Bjerrum's scotoma | A comet-shaped scotoma, occurring in glaucoma, attached at the temporal end to the blind spot or separated from it by a narrow gap; the defect widens as it extends above and nasally curves around the fixation spot, and then extends downward to end exactly at the nasal horizontal meridian. Synonym: Bjerrum's sign, sickle scotoma. (05 Mar 2000) |
| caecocentral scotoma | A scotoma involving the optic disk area (blind spot) and the papillomacular fibres; there are three forms: 1) the caecocentral defect which extends from the blind spot toward or into the fixation area; 2) angioscotoma; 3) glaucomatous nerve-fibre bundle scotoma, due to involvement of nerve-fibre bundles at the edge of the optic disk. See: Bjerrum's scotoma, Ronne's nasal step. (05 Mar 2000) |
| paracentral scotoma | A scotoma adjacent to the fixation point. (05 Mar 2000) |
| glaucomatous nerve-fibre bundle scotoma | See: caecocentral scotoma. (05 Mar 2000) |
| relative scotoma | A scotoma in which there is visual depression but not complete loss of light perception. (05 Mar 2000) |
| central scotoma | A scotoma involving the fixation point. (05 Mar 2000) |