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KMID : 1237720200530010114
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Anatomy & Cell Biology
2020 Volume.53 No. 1 p.114 ~ p.116
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Mylohyoid foramen of mandible: a rare exit point of intra-mandibular origin of nerve to mylohyoid
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Nayak Satheesha B.
Soumya K. V.
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Abstract
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Nerve to mylohyoid is a branch of inferior alveolar nerve. It arises in the infratemporal fossa and runs in the mylohyoid groove of mandible to reach the submandibular region, where it supplies the anterior belly of digastric and mylohyoid muscles. Though sensory distribution of this nerve have been described, it is predominantly a motor nerve. Here, a rare intra-mandibular origin of nerve to mylohyoid has been presented. This nerve arose from the inferior alveolar nerve inside the mandible and came out to the submandibular region by passing through a small foramen present on the medial surface of the body of the mandible. It ended by supplying the anterior belly of digastric and mylohyoid muscles. The knowledge of this variation could be of importance to maxillofacial surgeons and radiologists.
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KEYWORD
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Nerve to mylohyoid, Inferior alveolar nerve, Mandibular nerve, Foramen, Variation
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