Sphenomandibular ligament
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| Ligament: Sphenomandibular ligament | ||
|---|---|---|
 | ||
| Articulation of the mandible. Medial aspect. (Spheno-mandibular lig. labeled vertically at center.) | ||
| Latin | ligamentum sphenomandibulare | |
| Gray's | subject #75 297 | |
| From | spine of sphenoid bone | |
| To | mandibular foramen | |
| Dorlands/Elsevier | l_09/12493077 | |
The sphenomandibular ligament (internal lateral ligament) is a flat, thin band which is attached above to the spina angularis of the sphenoid bone, and, becoming broader as it descends, is fixed to the lingula of the mandibular foramen. The function of the Sphenomandibular Ligament is to limit distension of the mandible in an inferior direction.
Its lateral surface is in relation, above, with the Pterygoideus externus; lower down, it is separated from the neck of the condyle by the internal maxillary vessels; still lower, the inferior alveolar vessels and nerve and a lobule of the parotid gland lie between it and the ramus of the mandible.
Its medial surface is in relation with the Pterygoideus internus.
The sphenomandibular ligament is most often damaged in an inferior alveolar nerve block.
External links
- SIG at UWash Sphenomandibular%20ligament
- Roche Lexicon - illustrated navigator, at Elsevier 25420.000-1
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The sphenomandibular ligament is most often damaged in an inferior alveolar nerve block.
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
