Dictionary > Cellulae mastoideae

Cellulae mastoideae

Definition
noun
A number of small air-filled spaces in the mastoid process of the temporal bone.
Supplement
Normally, they are filled with air. They can be filled with fluid or pus when there is chronic infection such as mastoiditis and chronic otitis. When the infection is severe mastoidectomy is applied as the common treatment.
Synonyms:

  • mastoid cells
  • mastoid sinuses


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