In direct laryngoscopy which of the following cannot be visualized:
(a) Cricothyroid(Ref. Dhingra, 6th ed., 422)In Direct laryngoscopy we are visualising the cavity of the larynx from within so cricothyroid muscle or membrane which lie externally cannot be seen.
Cricothyroid
Lingual surface of epiglottis
Arytenoids
Pyriform fossa
Anatomy of Larynx