Musculus levator palpebrae superioris

The levator palpebrae superioris muscle is a small muscle of the superior orbit that elevates and retracts the upper eyelid. It is not part of the extraocular muscles; it does not insert on the globe and therefore does not produce eye movements. It is composed of skeletal striated muscle fibers but on its undersurface, smooth muscle fibers form the superior tarsal muscle (Müller muscle), which is under sympathetic control.

Summary

Related pathology

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