Sphenomandibular ligament

Changed by Craig Hacking, 5 Oct 2020

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The sphenomandibular ligament is one of the 2two extrinsic ligaments of the mandible, the other being the stylomandibular ligament. It

The sphenomandibular ligament descends from the spine of the sphenoid bone onto the medial surface of the mandibular ramus, attaching to the lingula. It is the primary passive support of the mandible, along with the muscles of mastication.

The other extrinsic ligament is the stylomandibular ligament.

Relations

It is pierced by the nerve to mylohyoid. The auriculotemporal nerve and inferior alveolar vessels pass between it and the neck of the mandible.

  • -<p>The <strong>sphenomandibular ligament</strong> is one of the 2 extrinsic ligaments of the <a title="Mandible" href="/articles/mandible">mandible</a>. It descends from the spine of the <a title="Sphenoid bone" href="/articles/sphenoid-bone">sphenoid bone</a> onto the medial surface of the mandibular ramus, attaching to the <a title="Lingula (mandible)" href="/articles/lingula-mandible-1">lingula</a>. It is the primary passive support of the mandible, along with the <a title="Muscles of mastication" href="/articles/muscles-of-mastication">muscles of mastication</a>.</p><p>The other extrinsic ligament is the <a href="/articles/stylomandibular-ligament">stylomandibular ligament</a>.</p><h4>Relations</h4><p>It is pierced by the <a title="Nerve to mylohyoid" href="/articles/nerve-to-mylohyoid">nerve to mylohyoid</a>. The <a title="Auriculotemporal nerve" href="/articles/auriculotemporal-nerve">auriculotemporal nerve</a> and <a title="Inferior alveolar artery" href="/articles/inferior-alveolar-artery">inferior alveolar vessels</a> pass between it and the neck of the mandible.</p><p> </p>
  • +<p>The <strong>sphenomandibular ligament</strong> is one of the two extrinsic ligaments of the <a href="/articles/mandible">mandible</a>, the other being the <a href="/articles/stylomandibular-ligament">stylomandibular ligament</a>.</p><p>The sphenomandibular ligament descends from the spine of the <a href="/articles/sphenoid-bone">sphenoid bone</a> onto the medial surface of the mandibular ramus, attaching to the <a href="/articles/lingula-mandible-1">lingula</a>. It is the primary passive support of the mandible, along with the <a href="/articles/muscles-of-mastication">muscles of mastication</a>.</p><h4>Relations</h4><p>It is pierced by the <a href="/articles/nerve-to-mylohyoid">nerve to mylohyoid</a>. The <a href="/articles/auriculotemporal-nerve">auriculotemporal nerve</a> and <a href="/articles/inferior-alveolar-artery">inferior alveolar vessels</a> pass between it and the neck of the mandible.</p>
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