Anatomy Pharynx, larynx and trachea and cranial nerves 3,4,6 3644c00b

False about larynx ?

9 cailages - 3 paired and 3 unpaired.

Extends from C3 to C6 veebrae.

External laryngeal nerve supplies all laryngeal muscles except cricothyroid.

Cricothyroid is a tensor of vocal cord.

High-Yield Explanation

Larynx is made up of 9 cailages : 3 paired & 3 unpaired. It extends from C3 - C6 veebral level. All laryngeal muscles are supplied by recurrent laryngeal nerve except cricothyroid (supplied by external laryngeal nerve). Cricothyroid tenses the vocal cord .

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