| optic nerve sheath fenestration | The cutting of a window in the dura of the optic nerve sheath to relieve papilledema and prevent further loss of optic nerve fibres. (05 Mar 2000) |
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| tracheal fenestration | A surgical procedure to create an epithelialised mucocutaneous opening from the neck into the trachea. (05 Mar 2000) |
| fenestration | 1. The arrangement and proportioning of windows; used by modern writers for the decorating of an architectural composition by means of the window (and door) openings, their ornaments, and proportions. 2. <anatomy> The state or condition of being fenestrated. Source: Websters Dictionary (01 Mar 1998) |
| fenestration, labyrinth | The surgical creation of a new opening in the labyrinth of the ear for the restoration of hearing in cases of otosclerosis. (12 Dec 1998) |
| fenestration operation | A rarely used surgical procedure producing an opening from the external auditory canal to the membranous labyrinth to improve hearing in hearing impairment of the conduction type. (05 Mar 2000) |
| annular ligament of the stapes | A ring of elastic fibres that attaches the base of the stapes to the margin of the fenestra vestibuli. Synonym: ligamentum annulare stapedis. (05 Mar 2000) |
| anterior crus of stapes | The anterior of the two delicate curving limbs of the stapes that pass from the head of the bone to the base or footplate. Synonym: crus anterius stapedis, anterior limb of stapes. (05 Mar 2000) |
| anterior limb of stapes | The anterior of the two delicate curving limbs of the stapes that pass from the head of the bone to the base or footplate. Synonym: crus anterius stapedis, anterior limb of stapes. (05 Mar 2000) |
| base of stapes | The flat portion of the stapes that fits in the oval window. Synonym: basis stapedis, footplate, foot-plate. (05 Mar 2000) |
| posterior crus of stapes | The posterior of the two delicate limbs of the stapes that connect the head and base or footplate of the bone. Synonym: crus posterius stapedis, posterior limb of stapes. (05 Mar 2000) |
| posterior limb of stapes | The posterior of the two delicate limbs of the stapes that connect the head and base or footplate of the bone. Synonym: crus posterius stapedis, posterior limb of stapes. (05 Mar 2000) |
| head of stapes | The portion of the stapes that articulates with the lenticular process of the incus. Synonym: caput stapedis. (05 Mar 2000) |
| stapes | One of three ossicles of the middle ear. (27 Sep 1997) |
| stapes mobilization | An operation to remobilise the footplate of the stapes to relieve conductive hearing impairment caused by its immobilization through otosclerosis or middle ear disease. (12 Dec 1998) |
| stapes mobilization operation | Now infrequently used operation involving fracture of tissue immobilizing the stapes to restore hearing; especially used in patients with otosclerosis. (05 Mar 2000) |
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