Anatomy study note · Head and neck

Sternohyoid

A strap (infrahyoid) muscle in the front of the neck.

Key points

• Manubrium → hyoid.
• Ansa cervicalis.
• Depresses the hyoid.
• Ventral-ramus neck muscles: ventral parts of cervical myotomes.
• Trunk muscles: from myotomes of the somites.
• Skeletal muscle: multinucleated, peripheral nuclei, striated.
• Epimysium → perimysium → endomysium.

The full note in the atlas also covers

Origin · Insertion · Action · Nerve supply · Histology · Development

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Written from

• Snell’s Clinical Anatomy by Regions, 10th ed., ch. 12, PDF pp. 1616–1617
• Inderbir Singh’s Human Embryology, ch. 7, PDF pp. 108–109
• BRS Cell Biology & Histology, 7th ed., ch. 8, PDF pp. 135–144

More from the head and neck

• Sternothyroid
• Stylohyoid
• Stylopharyngeus
• Subclavian artery
• Subclavian vein
• Sublingual gland
• Submandibular gland
• Superficial and regional cervical lymph nodes
• Superior oblique
• Superior rectus
• Superior temporal gyrus
• Teeth

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