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Where Is Stapes Bone Located?

Maya Lin-Takahashi • • 6 min read
Where Is Stapes Bone Located?

mammals. The innermost bone is the stapes, or “stirrup bone.” It rests against the oval window

oval window
The structures of the outer, middle, and inner ear. Encyclopædia Britannica, Inc. In human hearing, sound waves enter the outer ear and travel through the external auditory canal. ... The motion of the stapes against the oval window sets up waves in the fluids of the cochlea, causing the basilar membrane to vibrate.
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of the inner ear.

Where are stapes bones found?

At 3 mm x 2.5 mm, the "stapes" in the middle ear is the smallest named bone in the human body. The shape of a stirrup, this bone is one of three in the middle ear, collectively known as the ossicles.

Where does the stapes sit?

Ossicles and Their Function

The base of the stapes is located in a depression called the oval window [6]. The oval window membrane is one of two membranes that separate the middle ear space from the inner ear. The other is the round window membrane.

Maya Lin-Takahashi
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Maya Lin-Takahashi

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.