Posterior superior nasal nerves
Updates to Article Attributes
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Thelateral posterior posterior superior nasal nerves, also known as the short sphenopalatine nerves, are branches of the pterygopalatine ganglion. There are lateral and medial branches which supply the nasal cavity.
Gross anatomy
Course
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exitsThe nerves divide off the maxillary division just after emerging from the foramen rotundum to enter the pterygopalatine fossa. At the pterygopalatine ganglion
init receives parasympathetic fibres which supply nasal glands. It leaves thepterygopalatine fossa -
passesfossa inferomedially through the sphenopalatine foramentowith the nasopalatine nerve to enter thebackposterosuperior nasal cavity just behind the superior nasal meatus where it divides medial and lateral branches:-
medial branches supply the posterosuperior quadrant of the nasal
cavityseptum
Supply-
posteriosuperiorlateral branches supply the posterosuperior quadrant of the lateral nasal wallof
Variant anatomy
Occasionally the
nose -
medial branches supply the posterosuperior quadrant of the nasal
-<p>The <strong>lateral posterior superior nasal nerves</strong>, also known as the <strong>short sphenopalatine nerves</strong>, are branches of the <a href="/articles/pterygopalatine-ganglion">pterygopalatine ganglion</a>. </p><h4>Gross anatomy</h4><h5>Course</h5><ul>-<li>exits the <a href="/articles/pterygopalatine-ganglion">pterygopalatine ganglion</a> in the <a href="/articles/pterygopalatine-fossa">pterygopalatine fossa</a>-</li>-<li>passes through the <a href="/articles/sphenopalatine-foramen">sphenopalatine foramen</a> to enter the back of the nasal cavity</li>-</ul><h4>Supply</h4><ul><li>posteriosuperior quadrant of the lateral wall of the nose</li></ul>- +<p>The<strong> posterior superior nasal nerves</strong>, also known as the <strong>short sphenopalatine nerves</strong>, are branches of the <a href="/articles/pterygopalatine-ganglion">pterygopalatine ganglion</a>. There are lateral and medial branches which supply the nasal cavity.</p><h4>Gross anatomy</h4><p>The nerves divide off the maxillary division just after emerging from the <a href="/articles/foramen-rotundum">foramen rotundum</a> to enter the <a href="/articles/pterygopalatine-fossa">pterygopalatine fossa</a>. At the <a href="/articles/pterygopalatine-ganglion">pterygopalatine ganglion</a> it receives parasympathetic fibres which supply nasal glands. It leaves the fossa inferomedially through the <a href="/articles/sphenopalatine-foramen">sphenopalatine foramen</a> with the <a href="/articles/nasopalatine-nerve">nasopalatine nerve</a> to enter the posterosuperior nasal cavity just behind the superior nasal meatus where it divides medial and lateral branches:</p><ul>
- +<li>medial branches supply the posterosuperior quadrant of the nasal septum </li>
- +<li>lateral branches supply the posterosuperior quadrant of the lateral nasal wall</li>
- +</ul><h4>Variant anatomy</h4><p>Occasionally the posterior superior nasal nerves may branch off the nasopalatine nerve either just before or after it passes through the sphenopalatine foramen.</p>
References changed:
- 4. Moore KL, Agur AMR, Dalley AF. Clinically oriented anatomy. LWW. ISBN:1451119453. <a href="http://books.google.com/books?vid=ISBN1451119453">Read it at Google Books</a> - <a href="http://www.amazon.com/gp/product/1451119453">Find it at Amazon</a><span class="auto"></span>
- 2. Robert H. Whitaker, Neil R. Borley. Instant Anatomy. <a href="https://books.google.co.uk/books?vid=ISBN9780632054039">ISBN: 9780632054039</a><span class="ref_v4"></span>
- 3. Last's anatomy, regional and applied. Churchill Livingstone. ISBN:044304662X. <a href="http://books.google.com/books?vid=ISBN044304662X">Read it at Google Books</a> - <a href="http://www.amazon.com/gp/product/044304662X">Find it at Amazon</a><span class="auto"></span>
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