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A Left stapes B Base of stapes, medial surface
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Chain of Ossicles and their ligaments, seen from the front in a vertical, transverse section of the Tympanum
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Stapes
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The or '''stirrup''' is the stirrup-shaped small
Bone or
Ossicle in the
Middle Ear which attaches the
Incus to the
Fenestra Ovalis , the "
Oval Window " which is adjacent to the
Vestibule of the inner
Ear . It is the smallest and lightest bone in the
Human Body .
The ''stapes'' transmits the sound vibrations from the ''incus'' to the membrane of the inner ear inside the
Fenestra Ovalis .
In non-mammalian
Vertebrate s, the bone
Homologous to the stapes is usually called the ''columella''; however, in
Reptile s, either term may be used.
- http://webpages.marshall.edu/~hurlburt/310lec13.html
- http://faculty.juniata.edu/yohn/reptilialab.htm
- http://www.lander.edu/rsfox/308cranial2Lec.html
