Larynx

• Muscles that Open or Close the Laryngeal Inlet

  • Oblique arytenoids
  • Aryepiglotticus
  • Thyroepiglotticus
• Muscles that Abduct or Adduct the Vocal Cords

  • Posterior cricoarytenoids
  • Lateral cricoarytenoids
  • Transverse arytenoid
• Muscles that Increase or Decrease the Tension of Vocal Cords

  • Cricothyroid
  • Vocalis
  • Thyroarytenoid
• All the intrinsic muscles of the larynx are paired except transverse arytenoid, which is unpaired