Which of the following statements about the middle pharyngeal constrictor muscle is incorrect?

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It is positioned over the superior pharyngeal constrictor muscle.Its lymphatic drainage is directed towards the deep cervical lymph nodes.It receives sensory nerve supply from the vagus nerve.It originates from the second pharyngeal arch.

Explanation

The middle pharyngeal constrictor muscle lies superficial to the superior constrictor, drains lymph into the deep cervical lymph nodes, and is innervated sensory-wise by the vagus nerve. However, it develops from the third pharyngeal arch, not the second.