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Inferior oblique

Other Terms: Obliquus inferior, Musculus obliquus inferior, Musculus obliquus inferior bulbi, Muscle oblique inférieur

Muscle parts

None

Latin name

Musculus obliquus inferior

Latin muscle parts

None

Group

Head somite muscle – pre-otic group (Extra-ocular muscle)

Etymology

The English name for this muscle is the lower slanting muscle (of the eye). The Latin term obliquus means slanting or sideways and describes its orientation. The Latin word inferior comes out of inferus meaning “low or lower.”

Origin

Maxillary floor of the orbit lateral to the nasolacrimal groove

Insertion

Inferolateral aspect of the sclera in its posterior half

Action

Elevates, abducts, and extorts the eye.

Nerve supply

Oculomotor nerve (Cranial nerve III)

Blood supply

Muscular branches of the ophthalmic artery via the internal carotid artery.

Latin

Musculus obliquus inferior

Latin

Musculus obliquus inferior bulbi

French

Muscle oblique inférieur

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