Muscle of the uvula
Disclosures
- updated 30 Aug 2022:
- Philips Australia, Paid speaker at Philips Spectral CT events (ongoing)
Updates to Article Attributes
Body
was changed:
Themuscle of the uvula or musculus uvulae is one of the five paired muscles of the soft palate and forms the bulk of the uvula.
Summary
- origin: posterior border of the hard palate and the posterior nasal spine of the horizontal plate of the palatine bone
- insertion: palatine aponeurosis and mucosa of the uvula
- action: alters the shape of the uvula by shortening it
- innervation: vagus nerve via thepharyngeal plexus (with sensory innervation of the uvula mucosa innervated by the lesser palatine nerve (from cranial nerve Vb) via the pterygopalatine ganglion)
History and etymology
Uvula is Latin for 'little grape', and is the diminutive form of the Latin word 'uva' meaning grape 4.
-<strong>innervation: </strong><a title="Vagus nerve" href="/articles/vagus-nerve">vagus nerve</a> via the<strong> </strong><a href="/articles/pharyngeal-plexus-1">pharyngeal plexus</a>-</li>- +<strong>innervation: </strong><a href="/articles/vagus-nerve">vagus nerve</a> via the<strong> </strong><a href="/articles/pharyngeal-plexus-1">pharyngeal plexus</a> (with sensory innervation of the uvula mucosa innervated by the <a href="/articles/lesser-palatine-nerves">lesser palatine nerve</a> (from <a href="/articles/trigeminal-nerve">cranial nerve Vb</a>) via the <a href="/articles/pterygopalatine-ganglion">pterygopalatine ganglion</a>)</li>
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