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5 Cards in this Set

  • Front
  • Back
Dorsal Cricoarytenoid Muscle
Origin: Dorsolateral Cricoid Cartilage
Insertion: Muscular Process on Lateral Surface of Arytenoid
Innervation: Caudal Recurrent Laryngeal Nerve
Function: Opens Glottis (Abductor)
Classification: Intrinsic Muscle of the Larynx
Lateral Cricoarytenoid Muscle
Origin: Lateral Cricoid Cartilage
Insertion: Arytenoid, between Dorsal Cricoid Muscle and Vocalis Muscle
Innervation: Caudal Recurrent Laryngeal Nerve
Function: Close Glottis (Adductor)
Classification: Intrinsic Muscle of the Larynx
Cricothyroid Muscle
Origin: Cricoid Cartilage
Insertion: Thyroid Cartilage
Innervation: Cranial Laryngeal Nerve (X)
Function: Tenses/Stretches Vocal Folds
Classification: Intrinsic Muscle of the Larynx
Thyroarytenoid Muscle
Origin: Midline of Thyroid Cartilage
Insertion: Arytenoid Cartilage
Innervation: Caudal Recurrent Layrngeal Nerve
Function: Relax Vocal Fold, Constrict Glottis
Classification: Intrinsic Muscle of the Larynx
Transverse Arytenoid Muscle
Origin: Lateral Arytenoid
Insertion: Inter-arytenoid Cartilage
Innervation: Caudal Recurrent Laryngeal Nerve
Function: Closes Glottis(Adductor)
Classification: Intrinsic Muscle of the Larynx