Anatomy study note · Head and neck

Geniohyoid

A small suprahyoid muscle above mylohyoid.

Key points

• Genial spine → hyoid.
• C1 via XII.
• Raises 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, 1683
• 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

• Glossopharyngeal nerve
• Hippocampus
• Hyoglossus
• Hyoid bone
• Hypoglossal nerve
• Hypothalamus
• Inferior oblique
• Inferior rectus
• Insula
• Internal capsule
• Internal carotid artery
• Internal jugular vein

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