Orbital apex

The orbital apex refers to the posterior confluence of the orbit at the craniofacial junction, where nerves and vessels are transmitted from the intracranial compartment into the orbit via several bony apertures. It is also the point where the extra-ocular muscles derive their origins.

Contents

There are three bony apertures that permit the entry of neurovasculature in to the orbit:

The four recti extra-ocular muscles originate from the orbital apex at the tendinous ring, surrounding the optic canal.

The key structures of the orbital apex have complex anatomical relations:

Related pathology

Anatomy: Head and neck
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Article information

rID: 56258
System: Head & Neck
Section: Anatomy
Synonyms or Alternate Spellings:
  • Apex of the orbit

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Cases and figures

  • Figure 1: orbital apex diagram
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