Genioglossus

Description

The genioglossus along with the hypoglossal nerve and some of its innervations

Name

• Genioglossus
• Genioglossus muscle
• Musculus genioglossus

General

• One of the four extrinsic tongue muscles
• Thick, fan shaped muscle which constitutes the bulk of the tongue

Origin

• Superior mental spine of mandible

Insertion

• Entire length of dorsum of tongue/lingual aponeurosis, body of hyoid bone

Function

• Bilaterally: Depress and protrude tongue
• Unilaterally: Contralaterally deviate tongue

Vascular Supply

• Branches of:
  • Lingual artery
  • Facial artery

Innervation

• Hypoglossal Nerve

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Clinical Significance

• Needs to be updated

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See Also

• Neck Pain Main
• Neck Anatomy Main
• Physical Exam Neck

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