In the following coronal MRI through the lower head and neck, the arrow points to the:

A) vestibule.
B) piriform recess.
C) trachea.
D) vallecula.
E) retropharyngeal space.


Ans: B

Anatomy & Physiology

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Indicate whether the statement is true or false.

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What is the role of acetylcholinesterase?

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