Ossicula Bertini in human adults.

Remnants of ossicula Bertini in their embryological position, i.e., joined to the ethmoid, were found in three out of 20 adult individuals aged 17-23 years. The ossicles closed the inferior and/or a part of the anterior wall of the sphenoidal sinus, being joined to the wall of the sinus by sutures. The existence of these formations might be of importance in inflammation of the sphenoid sinus, or disease in or around the nasopharynx.