stapes


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Related to stapes: staples

stapes

 [sta´pēz]
the innermost of the three ossicles of the ear; called also stirrup. See also Plates.

sta·pes

, pl.

sta·pes

,

sta·pe·des

(stā'pēz, stā'pē-dēz), [TA]
The smallest of the three auditory ossicles; its base, or footpiece, fits into the vestibular (oval) window, whereas its head is articulated with the lenticular process of the long limb of the incus.
Synonym(s): stirrup
[Mod. L. stirrup]

stapes

(stā′pēz)
n. pl. stapes or stapedes (stā′pĭ-dēz′)
The innermost of the three small bones of the middle ear, shaped somewhat like a stirrup. Also called stirrup.

sta·pe′di·al (stā-pē′dē-əl) adj.

sta·pes

, pl. stapedes (stā'pēz, stā-pē'dēz) [TA]
The smallest of the three auditory ossicles; its base, or footpiece, fits into the vestibular (oval) window, while its head is articulated with the lenticular process of the long limb of the incus.
Synonym(s): stirrup.
[Mod. L. stirrup]

stapes

The innermost of the three tiny linking bones of the middle ear (auditory ossicles). The footplate of the stapes lies in the oval window in the wall of the inner ear and transmits vibration to the fluid in the COCHLEA.

stapes

the innermost of the three ear ossicles which contacts the oval window of the EAR. It is stirrup-shaped.
References in periodicals archive ?
The prognostic factors were patient age (<60/[greater than or equal to]60 years), staging (I-IV), S1 involvement, S2 involvement, T involvement, M involvement, development of mastoid cells (MC0-1/MC2-3), pathological status of the stapes (S0/S1), surgical procedure (CWU/CWD), malleus handle (present/absent), chorda tympani nerve (present/absent), and middle ear mucosa (normal/diseased).
A systematic review of the effect of piston diameter in stapes surgery for otosclerosis on hearing results.
(10) Higher grades of disease extent and lower Hounsfield densities correspond to increased audiologic air and bone conduction thresholds for hearing stimulation, as well as an increased incidence of stapes footplate complications at time of surgery.
The laser stapedectomy is a procedure, which permits the surgeon to operate without touching the stapes. An opening is made in the frozen stapes footplate and prosthesis is inserted to allow sound waves to enter the inner ear, which restores the sound conducting mechanism and hearing.
CT demonstrates the opacification over the stapes footplate (arrow), originally reported as a sclerotic plaque but determined to be a PSA.
Reflective beads were placed on the BM at different longitudinal locations and on the head of stapes, as shown in Figure 1(a).
Stapes Footplate Response to Round Window Stimulation.
where [d.sub.tr] is stapes displacement excited directly by the piezostack (ignoring the structure of the coupling rod) and [d.sub.tr_rod] is transducer excited stapes displacement considering the structure of the coupling rod.
Examinations in April 2011 suggested stapes fixation, but he refused explorative tympanotomy.
Stapes superstructures were removed by crural scissors and stapes footplate was perforated by microdrill.
All of these cases also report fixation of the stapes footplate, and tympanometry reveals stiffening of the ossicular chain.