Ophthalmology Practice Test & Exam Prep | International

What is the primary embryonic origin and innervation of the levator palpebrae superioris muscle?

Originates from the lesser wing of the sphenoid and is innervated by the superior division of the oculomotor nerve (CN III) Originates from the annulus of Zinn and is innervated by the inferior division of the oculomotor nerve (CN III) Originates from the trochlear fossa and is innervated by the trochlear nerve (CN IV) Originates from the orbital roof periosteum and is innervated by the sympathetic nervous system exclusively

Correct Answer:

Originates from the lesser wing of the sphenoid and is innervated by the superior division of the oculomotor nerve (CN III)

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