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19 terms

Anatomy Terms- Muscle: Part 2- Forehead and Eye Muscles (names, location, job)

Cards Contain Muscle name, location, and job.
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Occipitofrontalis (Epicranius) Muscle
is a muscle which covers parts of the skull. It draws the scalp back which raises the eyebrows and wrinkles the forehead. ((using this muscle to pull your eyebrows BACK causes your ears to wiggle))
Occipitalis Muscle
Covers the occipital bone. Functions to move the scalp.
Frontalis Muscle
is located on the front of the head. It lifts the eyebrows, especially when looking up. It also acts when a view is too distant or dim.
Orbicularis Oculi Muscle
is a muscle which wraps around the top of the eye socket. Its function is to close the eyelids.
Corrugator Supercilii Muscle
is a muscle located at the medial end of the eyebrow, beneath the Frontalis and just above Orbicularis Oculi. Its function it to wrinkle the forehead.
Depressor Supercilii Muscle
function is to depress the eyebrow.
Extraorcular Muscles (outside of the eye)
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Levator Palpebrae Superioris Muscle
is the muscle in the orbit that elevates the superior eyelid. Its function is to retract and elevate the eyelid. Is assisted by the Superior Tarsal Muscle.
Superior Rectus Muscle
functions to elevate, adduct, and medially rotate the eye. Located within the eye socket.
Inferior Rectus Muscle
functions to depress and adduct.
Located within the eye socket.
Medial Rectus Muscle
functions to adduct the eyeball
Located within the eye socket.
Lateral Rectus Muscle
(also) functions to adduct the eyeball
Located within the eye socket.
Superior Oblique Muscle
functions-
primary: intorsion.
secondary:abduct (laterally rotate) and depress the eyeball
Inferior Oblique Muscle
extortion, elevation, abduction
Intraocular Muscles
(inner eye muscles)
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Ciliary muscle
is an Intraocular muscle (inner eye). It is an accommodation muscle.
Iris dilator muscle
functions to dilate the pupil (black space) of the eye.
Iris sphincter muscle
is a muscle in the part of the eye called the iris. It encircles the eye, appropriate to its function as a constrictor.