The extraocular muscles are the seven muscles that control movement of the eye (there are four in bovines). The actions of the extraocular muscles depend on the position of the eye at the time of muscle contraction.
Four of the muscles control the movement of the eye in the four cardinal directions: up, down, left and right. The remaining two muscles control the adjustments involved in counteracting head movement; for instance this can be observed by looking into ones own eyes in a mirror whilst moving ones head.
Other articles related to "extraocular muscles, muscle, muscles":
... Muscle Origin Insertion Artery Nerve Action Antagonist levator palpebrae superioris sphenoid bone tarsal plate, upper eyelid ophthalmic artery oculomotor nerve retracts//e ...
... of the eye Dissection showing origins of right ocular muscles, and nerves entering by the superior orbital fissure View of the orbit from the front, with nerves and extraocular muscles Extraocular ...
Famous quotes containing the word muscles:
“What is this beast, she thought,
with muscles on his arms
like a bag of snakes?
What is this moss on his legs?
What prickly plant grows on his cheeks?
What is this voice as deep as a dog?”
—Anne Sexton (19281974)