Which of the following laryngeal muscles constitute tensors of vocal cord?
Correct Answer: Cricothyroid and internal thyroarytenoid
Description: Cricothyroid and internal pa of thyroarytenoid (vocalis) together constitute tensors of vocal cord. Intrinsic muscles acting on vocal cords: * Abductors: Posterior cricoarytenoid * Adductors: Lateral cricoarytenoid, Interarytenoid (transverse arytenoid), Thyroarytenoid (external pa) * Tensors: Cricothyroid, Vocalis (internal pa of thyroarytenoid) Intrinsic muscles acting on laryngeal inlet: * Openers of laryngeal inlet: Thyroepiglottic (pa of thyroarytenoid) * Closers of laryngeal inlet: Interarytenoid (oblique pa), Aryepiglottic (posterior oblique pa of interarytenoids)
Category:
ENT
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