Which of the following is described by the radiolucency between the palate and tongue that presents if the tongue is not correctly positioned against the palate during panoramic exposures?

A) Nasopharyngeal air space
B) Glossopharyngeal air space
C) Palatoglossal air space
D) Cervical vertebra of the spinal column

C
Explanation: A) The palatoglossal air space is described here.
B) The palatoglossal air space is described here.
C) The palatoglossal air space is described here.
D) The palatoglossal air space is described here.