Hyoglossus Muscle

Description

Hyoglossus

Hyoglossus Muscle Anatomy

Name

• Hyoglossus
• Musculus hyoglossus
• Hyoglossus
• Hyoglossus muscle of tongue
• Hyoglossal muscle
• Musculus hyoglossus
• Extrinsic tongue muscle (hyoglossus)

General

• One of the four extrinsic tongue muscles located in the floor of the mouth
• Thin and quadrangular in shape

Origin

• Hyoid Bone

Insertion

• Lateral aspect of tongue

Function

• Depress, retract tongue

Vascular Supply

• Branches of:
  • Lingual artery
  • Facial artery

Innervation

• Hypoglossal Nerve

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Clinical Significance

• Surgical Landmark in the Floor of the Mouth
• Tongue Weakness and Deviation
• Role in Swallowing and Speech
• Spread of Infection or Tumors

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See Also

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

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