Medial rectus muscle

This tutorial explores the medial rectus muscle of the eye, detailing its anatomy, origin, insertion, function, innervation, and blood supply. The medial rectus is one of six extraocular muscles, located on the medial side of the eyeball, and is responsible for adducting the eye. It originates from the common tendinous ring and inserts on the anteromedial surface of the eye. Innervation is provided by the inferior branch of the ocular motor nerve, while blood supply comes from branches of the anterior ciliary arteries.

What is the function of the medial rectus muscle?

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Where does the medial rectus muscle originate from?

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What movement does the contraction of the medial rectus muscle cause?

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Which nerve innervates the medial rectus muscle?

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What is the blood supply source for the medial rectus muscle?

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