Muscles of the orbital cavity
The extraocular muscles arise from a tendinous ring or from the walls of the
orbit and attach to the upper eyelid or eye itself.
Nerve supply:
Sixth cranial Nerve (Abducent nerve) to Lateral Rectus (LR6)
Fourth cranial nerve (Trochlear nerve) to superior oblique (SO4)
Third cranial nerve (Oculomotor nerve) to all remaining muscles
The extraocular muscles arise from a tendinous ring or from the walls of the
orbit and attach to the upper eyelid or eye itself.
Nerve supply:
Sixth cranial Nerve (Abducent nerve) to Lateral Rectus (LR6)
Fourth cranial nerve (Trochlear nerve) to superior oblique (SO4)
Third cranial nerve (Oculomotor nerve) to all remaining muscles
