Pyramidal eminence
Pyramidal Eminence
Pyramidal eminence (pronunciation: /pɪˈræmɪdəl ˈɛmɪnəns/) is a significant anatomical structure found in the middle ear.
Etymology
The term "pyramidal eminence" is derived from the Latin words "pyramis" meaning "pyramid" and "eminens" meaning "prominent". It is named so due to its pyramid-like shape.
Anatomy
The pyramidal eminence is a small, pyramid-shaped projection located in the posterior wall of the tympanic cavity. It houses the stapedius muscle, the smallest muscle in the human body, which is responsible for dampening the vibrations of the stapes bone to protect the ear from loud noises.
Related Terms
- Middle ear: The section of the ear where the pyramidal eminence is located.
- Stapedius muscle: The muscle housed within the pyramidal eminence.
- Tympanic cavity: The cavity in which the pyramidal eminence is found.
- Stapes: The bone whose vibrations are dampened by the stapedius muscle.
See Also
External links
- Medical encyclopedia article on Pyramidal eminence
- Wikipedia's article - Pyramidal eminence
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