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stapes

[ stey-peez ]

noun

, Anatomy.
, plural sta·pes, sta·pe·des [st, uh, -, pee, -deez].
  1. the innermost, stirrup-shaped bone of a chain of three small bones in the middle ear of humans and other mammals, involved in the conduction of sound vibrations to the inner ear.


stapes

/ ˈsteɪpiːz; stæˈpiːdɪəl /

noun

  1. the stirrup-shaped bone that is the innermost of three small bones in the middle ear of mammals Nontechnical namestirrup bone Compare incus malleus


stapes

/ stāpēz /

, Plural stapes stāpĭ-dēz′

  1. The roughly stirrup-shaped bone that is the innermost of the three small bones (ossicles) of the middle ear.


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Derived Forms

  • stapedial, adjective

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Other Words From

  • sta·pe·di·al [st, uh, -, pee, -dee-, uh, l], adjective

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Word History and Origins

Origin of stapes1

First recorded in 1660–70; from New Latin stapēs, Medieval Latin: “stirrup,” perhaps etymologizing alteration of Italian staffa “stirrup” (from Germanic ) by association with Latin stāre “to stand,” and pēs, stem ped- “foot”; foot

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Word History and Origins

Origin of stapes1

C17: via New Latin from Medieval Latin, perhaps a variant of staffa, stapeda stirrup, influenced in form by Latin stāre to stand + pēs a foot

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Example Sentences

The third ear-ossicle of mammals, the stapes, comes not from the first arch but from the second.

Even then it may be anatomically impossible to see the stapes.

In the latter (Ambystoma) the nerve is beneath, and in the former (Rana) above, the stapes.

Sometimes the term columella is used to include the whole ossicular chain,—the columella together with the stapes.

The stapes is very much like a reptilian columella, having a single crus with no perforation.

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