Anatomy study note · Head and neck

Zygomatic bone

The cheek bone, forming the prominence of the cheek and part of the lateral wall and floor of the orbit.

Key points

• Cheek prominence; lateral orbit.
• Forms the zygomatic arch with the temporal bone.
• 2nd commonest facial fracture (after the nasal bones).
• Zygomatic: membrane (maxillary process).
• Bone: type I collagen + hydroxyapatite.
• Osteoblast builds, osteocyte maintains, osteoclast resorbs.

The full note in the atlas also covers

Features · Histology · Development · Clinical notes

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Written from

• Snell’s Clinical Anatomy by Regions, 10th ed., ch. 12, PDF pp. 1487–1488, 1500–1503
• Inderbir Singh’s Human Embryology, ch. 10, PDF pp. 140–141
• BRS Cell Biology & Histology, 7th ed., ch. 7, PDF pp. 121–125, 130

More from the head and neck

• Abducens nerve
• Accessory nerve
• Anterior cerebral artery
• Aqueous humour
• Arteries of the face
• Arytenoid cartilage
• Arytenoid muscles
• Cerebellum
• Cerebrum
• Cervical plexus
• Ciliary body
• Common carotid artery

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