Bony orbit

The bony orbit refers to the bones that constitute the margins of the orbits, that is the roof, medial and lateral walls and floor. The orbital margin or rim refers to the anterior circular margin of the orbit. The orbital apex refers to the posterior confluence of the orbit, where the optic canal, superior orbital fissure and inferior orbital fissure transmit nerves and vessels into the orbit.

There are seven bones that contribute to the bony orbit:

The four bones of the medial wall are remembered with this mnemonic.

Anatomy: Head and neck

Anatomy: Head and neck

Article information

rID: 53679
System: Head & Neck
Section: Anatomy
Synonyms or Alternate Spellings:
  • orbital margin
  • bones of the orbit

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Cases and figures

  • Figure 1: bony orbit
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  • Figure 2: bony orbit (photo)
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