Anatomy study note · Head and neck

Mandible

The lower jaw, the largest and strongest bone of the face: a horseshoe-shaped body and two vertical rami meeting at the angles.

Key points

• Body + rami; head articulates at the TMJ.
• Mental foramen below the 2nd premolar.
• Mandibular foramen → inferior alveolar nerve.
• Ring: fractures often multiple or distant.
• Mandible: membrane around Meckel’s cartilage.
• Condylar + coronoid: secondary cartilages.
• 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. 1500, 1503–1506
• Inderbir Singh’s Human Embryology, ch. 9, PDF pp. 123–124; ch. 10, PDF p. 141; ch. 11, PDF p. 154
• BRS Cell Biology & Histology, 7th ed., ch. 7, PDF pp. 121–125, 130

More from the head and neck

• Mandibular nerve
• Masseter
• Maxilla
• Maxillary artery
• Maxillary nerve
• Medial pterygoid
• Medial rectus
• Medulla oblongata
• Midbrain
• Middle cerebral artery
• Muscles of facial expression
• Musculus uvulae

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