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Medial rectus
Other Terms:
Musculus rectus medialis,
Muscle droit médial
Muscle parts
None
Latin name
Musculus rectus medialis
Latin muscle parts
None
Group
Head somite muscle – pre-otic group (Extra-ocular muscle)
Etymology
The English name for this muscle is the middle straight muscle (of the eye). The word rectus is Latin for “straight.” The Latin term medialis is derived from the Latin medius meaning “middle.”
Origin
Medial part of the common tendinous ring that surrounds the optic canal
Insertion
Medial surface of the anterior part of the sclera
Action
Adducts the eye.
Nerve supply
Oculomotor nerve (Cranial nerve III)
Blood supply
Muscular branches of the ophthalmic artery via the internal carotid artery.
Latin
Musculus rectus medialis
French
Muscle droit médial
