innominate fossa

in·nom·i·nate fos·sa

a shallow depression between the false vocal cord and the aryepiglottic fold on either side.
Synonym(s): fossa innominata

innominate fossa

A shallow vertical recess that extends from the gap between the corniculate and cuneiform tubercles on the aryepiglottic fold to the laryngeal sinus behind the vestibular fold.