Radiopaedia 2021 UPDATE Conference-only registration is now closed. Late registration for All-Access Pass and Free Country Pass holders ends this Friday - LEARN MORE

Retrobullar recess

The retrobullar recess is a small potential opening (cleft) rather than an actual air cell located superior and posterior to the ethmoid bulla, separating it from the skull base and basal lamella. The ethmoid bulla usually opens posteriorly in the retrobullar recess.

Gross anatomy

Boundaries
  • anteriorly by the posterior wall of the ethmoid bulla
  • posteriorly by the basal lamella
  • superiorly by the skull base
  • laterally by the lamina papyracea

Anatomy: Head and neck

Anatomy: Head and neck

Article information

rID: 59418
System: Head & Neck
Section: Anatomy
Tag: cases, refs
Synonyms or Alternate Spellings:
  • Retrobullar recesses
  • Retro-bullar recesses
  • Retro-bullar recess

ADVERTISEMENT: Supporters see fewer/no ads

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.