Internal auditory canal nerves (mnemonic)
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A mnemonic to remember the relative position of nerves inside the internal auditory canal (IAC) is:
- Seven up coke down
Anatomy
Four nerves pass through the IAC:
- facial nerve (CN VII)
- three components of the vestibulocochlear nerve (CN VIII)
Four are the nerves and four are the quadrants of the IAC: antero-superior, antero-inferior, postero-superior, postero-inferior. In each quadrant, there is the passage of one nerve (see picture). In the posterior quadrants are the two vestibular nerves, while in the anterior quadrants are the other two - the mnemonic can be used to remember their position.
Mnemonic
- Seven up: facial nerve (CN VII) is superior within the canal
- Coke down: cochlear nerve (CNVIIIc) is inferior within the canal
-<p>A <strong>mnemonic</strong> to remember the relative position of nerves inside the <a title="Internal auditory meatus (IAM)" href="/articles/internal-acoustic-meatus-1">internal auditory canal (IAC)</a> is:</p><ul><li>Seven up coke down</li></ul><h4>Anatomy</h4><p>Four nerves pass through the IAC:</p><ul>- +<p>A <strong>mnemonic</strong> to remember the relative position of nerves inside the <a href="/articles/internal-acoustic-meatus-1">internal auditory canal (IAC)</a> is:</p><ul><li>Seven up coke down</li></ul><h4>Anatomy</h4><p>Four nerves pass through the IAC:</p><ul>
-</ul><p>Four are the nerves and four are the quadrants of the IAC: antero-superior, antero-inferior, postero-superior, postero-inferior. In each quadrant there is the passage of one nerve (see picture). In the posterior quadrants are the two vestibular nerves, while in the anterior quadrants are the other two - the mnemonic can be used to remember their position.</p><h4>Mnemonic</h4><ul>- +</ul><p>Four are the nerves and four are the quadrants of the IAC: antero-superior, antero-inferior, postero-superior, postero-inferior. In each quadrant, there is the passage of one nerve (see picture). In the posterior quadrants are the two vestibular nerves, while in the anterior quadrants are the other two - the mnemonic can be used to remember their position.</p><h4>Mnemonic</h4><ul>
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