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Muscles of the eyeball. There are muscles that move the eyeball, 5 of which are shown here.

Eyeball Muscles

Muscles of the eyeball. There are muscles that move the eyeball, 5 of which are shown here.

"Muscles of Left Human Eyeball. so, superior oblique, passing through a trochlea or pulley; io, inferior oblique; sr, superior rectus; ifr, interior rectus; ir, internal rectus; er, external rectus; f, frontal sinus; m, maxillary sinus; o, optic nerve." -Whitney, 1911

Muscles of Left Eyeball

"Muscles of Left Human Eyeball. so, superior oblique, passing through a trochlea or pulley; io, inferior…

Muscles of right eyeball within the orbit, seen from the front. Labels: 21, superior rectus; 22, inferior rectus; 23, external rectus; 24, internal rectus; 25, superior oblique; 26, inferior oblique.

Muscles of the Human Eyeball

Muscles of right eyeball within the orbit, seen from the front. Labels: 21, superior rectus; 22, inferior…

Muscles of eyeball, seen from side. Labels: 19, elevator muscle of eyelid; 22, inferior rectus; 23, external rectus; 24, internal rectus; 25, superior oblique; 26, inferior oblique.

Muscles of the Human Eyeball

Muscles of eyeball, seen from side. Labels: 19, elevator muscle of eyelid; 22, inferior rectus; 23,…