Which of the following intrinsic laryngeal muscles is NOT derived from branchial arch VI:
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.
Cricoarytenoid muscle
Interarytenoid muscle
Thyroarytenoid muscle
Cricothyroid muscle
Anatomy of Larynx