Innervation of the Extrinsic Muscles of the Eyeball

Question 1

Motor pathways to skeletal muscle derived from the somites are given what names?

Answer 1

Somatic Efferent (SE) pathways

Question 2

What is the embryonic origin of the extraocular muscles or extrinsic muscles of the eyeball?

Answer 2

the skeletal muscle is derived from the somites hence somatic efferent (SE)

Question 3

Which nerves will innervate specific extrinsic muscles?

Answer 3

• oculomotor: superior rectus, inferior rectus, medial rectus, inferior oblique
• trochlear: superior oblique
• abducens/abducent: lateral rectus