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ENT Anatomy of Larynx 5cffd91e

Which of the following intrinsic laryngeal muscles is NOT derived from branchial arch VI:

A
Cricoarytenoid muscle
B
Interarytenoid muscle
C
Thyroarytenoid muscle
D
Cricothyroid muscle
High-Yield Explanation
Ans. (d) Cricothyroid muscleRef: Inderbir Singh's Embroyology, 7th ed. /119-120* All intrinsic laryngeal muscles is derived from branchial arch VI EXCEPT cricothyroid muscle.* Cricothyroid muscle is derived from branchial arch IV.

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