Superior orbital fissure
Updates to Article Attributes
Body
was changed:
The superior orbital fissure (SOF) is
Gross anatomy
Boundaries
- medial: body of sphenoid
- superior: lesser wing of sphenoid
- inferior: greater wing of sphenoid
- lateral: frontal bone
Contents
Through the fissure (from superior to inferior) pass:
- lacrimal nerve (a branch of the ophthalmic division of the trigeminal nerve)
- frontal nerve (a branch of the ophthalmic division of the trigeminal nerve)
- superior ophthalmic vein
- trochlear nerve (CN IV)
- superior division of the oculomotor nerve (CN III)
- nasociliary nerve (a branch of the ophthalmic division of the trigeminal nerve)
- inferior division of the oculomotor nerve (CN III)
- abducens nerve (CN VI)
- a branch of the inferior ophthalmic vein
The order of the nerves may be remembered by these mnemonics.
-<p>The <strong>superior orbital fissure</strong> (<strong>SOF</strong>) is the communication between the <a href="/articles/cavernous-sinus">cavernous sinus</a> and the apex of the <a href="/articles/orbit">orbit</a>. It is straddled by the <a href="/articles/tendinous-ring">tendinous ring</a> which is the common origin of the four rectus muscles (<a href="/articles/extra-ocular-muscles">extraocular muscles</a>).</p><h4>Gross anatomy</h4><h5>Boundaries</h5><ul>- +<p>The <strong>superior orbital fissure</strong> is the communication between the <a href="/articles/cavernous-sinus">cavernous sinus</a> and the apex of the <a href="/articles/orbit">orbit</a>. It is straddled by the <a href="/articles/tendinous-ring">tendinous ring</a> which is the common origin of the four rectus muscles (<a href="/articles/extra-ocular-muscles">extraocular muscles</a>).</p><h4>Gross anatomy</h4><h5>Boundaries</h5><ul>
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