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Inferior rectus muscle

Dr Jeremy Jones et al.

The inferior rectus muscles is one of the 6 extraocular muscles that control eye movements.

innervation : inferior branch of the oculomotor nerve (CN III)
origin : Annulus of Zinn (tendinous ring)
insertion : globe (anterior, inferior surface)
primary function : one of two ocular depressors
secondary function : one of the two ocular external rotators
tertiary function : one of the three ocular adductors

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Synonyms & Alternative Spellings

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Inferior rectus	✗

Article Information:

System: Head & Neck

Section: Anatomy

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Cases needed
Extraoccular muscles

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External rotators

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Extraoccular muscles

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Extraoccular muscles

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Inferior rectus muscle

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Inferior rectus muscle

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