Extraconal orbital compartment
Updates to Article Attributes
Body
was changed:
The extraconal orbital compartment or extraconal space is the space within the orbit outside the musculofascial cone. The base of which is anterior and is formed by the orbital septum that surrounds the equator of the globe. The external sides are formed by the bones of the orbit and their periosteum. The internal sides are formed by the extraocular muscles and their surrounding fascia which pass posteriorly and converge on the tendinous ring at the orbital apex. Internal to this space is the intraconal space.
Contents
- nerves
- trochlear nerve (CN IV)
- branches of the ophthalmic division of the trigeminal nerve
- frontal nerve
-
lacrimal nerve
(branch of the ophthalmic division of the trigeminal nerve)
- branches of the maxillary division of the trigeminal nerve
- arteries
- extraconal branches of the ophthalmic artery that have an intraconal origin:
- infra-orbital artery
- veins
- superior ophthalmic vein
- inferior ophthalmic vein
- infra-orbital vein
- lacrimal gland
- fat
Related pathology
-<p>The <strong>extraconal orbital compartment</strong> or <strong>extraconal space</strong> is the space within the <a href="/articles/orbit">orbit</a> outside the <a title="musculofascial cone" href="/articles/myofascial-cone">musculofascial cone</a>. The base of which is anterior and is formed by the <a href="/articles/orbital-septum">orbital septum</a> that surrounds the equator of the <a href="/articles/globe">globe</a>. The external sides are formed by the <a href="/articles/bony-orbit">bones of the orbit</a> and their periosteum. The internal sides are formed by the <a href="/articles/extra-ocular-muscles">extraocular muscles</a> and their surrounding fascia which pass posteriorly and converge on the <a href="/articles/tendinous-ring">tendinous ring</a> at the <a href="/articles/orbital-apex">orbital apex</a>. Internal to this space is the <a href="/articles/intraconal-orbital-compartment">intraconal space</a>.</p><h5>Contents</h5><ul>- +<p>The <strong>extraconal orbital compartment</strong> or <strong>extraconal space</strong> is the space within the <a href="/articles/orbit">orbit</a> outside the <a href="/articles/myofascial-cone">musculofascial cone</a>. The base of which is anterior and is formed by the <a href="/articles/orbital-septum">orbital septum</a> that surrounds the equator of the <a href="/articles/globe">globe</a>. The external sides are formed by the <a href="/articles/bony-orbit">bones of the orbit</a> and their periosteum. The internal sides are formed by the <a href="/articles/extraocular-muscles-1">extraocular muscles</a> and their surrounding fascia which pass posteriorly and converge on the <a href="/articles/tendinous-ring">tendinous ring</a> at the <a href="/articles/orbital-apex">orbital apex</a>. Internal to this space is the <a href="/articles/intraconal-orbital-compartment">intraconal space</a>.</p><h5>Contents</h5><ul>
-<li>-<a href="/articles/lacrimal-nerve">lacrimal nerve</a> (branch of the ophthalmic division of the trigeminal nerve)</li>- +<li><a href="/articles/lacrimal-nerve">lacrimal nerve</a></li>
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