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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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All of the following muscles are derived from 6th brachial arch EXCEPT:
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The correct answer is  Ans. (d) CricothyroidRef: LB. Singh 9th ed. /116* Cricothyroid muscle is derived from fourth branchial arch. It is the only intrinsic laryngeal muscle not derived from 6th branchial arch* Nerve supply: Superior laryngeal nerve