Corrugator supercilii muscle
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Corrugator supercilii muscle
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The corrugator supercilii muscles;muscles are two small, triangular muscles that allowof facial expression through, which contribute to movement of the eyebrows, including frowning. They are located deep to the frontal part of occipitofrontalis and orbicularis oculi muscles, with which they blend 2.
Summary
- origin: medial end of the supraorbital margins
- insertion: deep to the skin above the middle of the supraorbital margins 1
- innervation: facial nerve (VII)
- action: frowning, furrowing the forehead, drawing eyebrows inferomedially
BloodArterial supply
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arterial:
Innervation
- temporal branches of the facial nerve
Action
- combines its actions with orbicularis oculi muscle
toto pull the eyebrows medially and downwards in bright environments to shield the eyes (e.g. in sunlight) - frowning
- responsible for producing vertical wrinkles on the supranasal strip of the forehead
See also
-<p>The <strong>corrugator supercilii</strong> muscles are two small, triangular muscles that allow facial expression through movement of the eyebrows, including frowning. They are located deep to the frontal part of <a href="/articles/scalp-1">occipitofrontalis</a> and <a href="/articles/orbicularis-oculi">orbicularis oculi</a>, with which they blend <sup>2</sup>.</p><h4>Summary</h4><ul>- +<p>The <strong>corrugator supercilii</strong> <strong>muscles</strong> are two small, triangular <a href="/articles/facial-muscles">muscles of facial expression</a>, which contribute to movement of the <a href="/articles/eyebrow">eyebrows</a>, including frowning. They are located deep to the frontal part of <a href="/articles/scalp-1">occipitofrontalis</a> and <a href="/articles/orbicularis-oculi-muscle-1">orbicularis oculi</a> muscles, with which they blend <sup>2</sup>.</p><h4>Summary</h4><ul>
-</ul><h4>Blood supply</h4><ul><li>-<strong>arterial</strong>: branches from nearby <a href="/articles/superficial-temporal-artery">superficial temporal</a> and <a href="/articles/ophthalmic-artery">ophthalmic arteries</a>-</li></ul><h4>Innervation</h4><ul><li>temporal branches of the <a href="/articles/facial-nerve">facial nerve</a>-</li></ul><h4>Action</h4><ul>-<li>combines its actions with <a href="/articles/orbicularis-oculi">orbicularis oculi </a>to pull the eyebrows medially and downwards in bright environments to shield the eyes (e.g. in sunlight)</li>- +<li>innervation: <a href="/articles/facial-nerve">facial nerve (VII)</a>
- +</li>
- +<li>action: frowning, furrowing the forehead, drawing eyebrows inferomedially</li>
- +</ul><h4>Arterial supply</h4><ul><li>branches from nearby <a href="/articles/superficial-temporal-artery">superficial temporal</a> and <a href="/articles/ophthalmic-artery">ophthalmic arteries</a>
- +</li></ul><h4>Innervation</h4><ul><li>temporal branches of the facial nerve</li></ul><h4>Action</h4><ul>
- +<li>combines its actions with <a href="/articles/orbicularis-oculi-muscle-1">orbicularis oculi muscle</a> to pull the eyebrows medially and downwards in bright environments to shield the eyes (e.g. in sunlight)</li>
-<li><a href="/articles/orbicularis-oculi">orbicularis oculi</a></li>-<li>-<a href="/articles/scalp-1">occipitofrontalis</a> </li>- +<li><a href="/articles/orbicularis-oculi-muscle-1">orbicularis oculi muscle</a></li>
- +<li><a href="/articles/occipitofrontalis-muscle">occipitofrontalis muscle</a></li>
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