Anatomy study note · Head and neck

Arytenoid cartilage

Paired small pyramidal cartilages on the upper border of the cricoid lamina that move the vocal folds.

Key points

• Sit on the cricoid lamina.
• Vocal process → vocal ligament.
• Muscular process → cricoarytenoid muscles.
• Laryngeal cartilages: 4th and 6th arches.
• Arytenoid: hyaline base, elastic tip.
• Hyaline cartilage: type II collagen, perichondrium, avascular.

The full note in the atlas also covers

Features · Histology · Development

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Written from

• Snell’s Clinical Anatomy by Regions, 10th ed., ch. 12, PDF pp. 1780–1782
• Inderbir Singh’s Human Embryology, ch. 9, PDF p. 125; ch. 14, PDF p. 208
• BRS Cell Biology & Histology, 7th ed., ch. 7, PDF pp. 117–120; ch. 15, PDF p. 270

More from the head and neck

• Arytenoid muscles
• Cerebellum
• Cerebrum
• Cervical plexus
• Ciliary body
• Common carotid artery
• Common tendinous ring
• Cornea
• Corniculate and cuneiform cartilages
• Corpus callosum
• Corpus striatum
• Cricoid cartilage

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