One of the three bones of the mammalian inner ear, along with the malleus and incus. The stapes is the smallest bone of the inner ear—and the only bone of the inner ear in reptiles—and develops from the second arch of the mammalian embryo. The stapes corresponds to the large upper jaw bone in fish.
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Stapes Term Timeline in Your Inner Fish
The timeline below shows where the term Stapes appears in Your Inner Fish. The colored dots and icons indicate which themes are associated with that appearance.
Chapter 10: Ears
...the incus) develop from the first arch in the head and the third bone (the stapes) develops from the second arch. In 1827, German anatomist Karl Reichert studied the gill arches...
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...the incus evolved from the reptilian jaw, Shubin now turns to the development of the stapes. This tiny bone in the middle ear of mammals comes from the second arch, just...
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