atelectasis of the middle ear

atelectasis of the middle ear

reduction in the volume of the middle ear because of eustachian tube obstruction followed by absorption of the oxygen in the middle ear and subsequent retraction of the tympanic membrane medially.

at·el·ec·ta·sis of the mid·dle ear

(atĕ-lektă-sis midĕl ēr)
Reduction in the volume of the middle ear because of pharyngotympanic (auditory) tube obstruction followed by absorption of the oxygen in the middle ear and subsequent retraction of the tympanic membrane medially.