bio 240 lab list 10 ncsu klesath questions with 10
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BIO 245
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bio 240 lab list 10 ncsu klesath
orbicularis oculi - ANS-origin: medial wall or margin of the orbit
insertion: skin surrounding eyes
action: closes eye;winking;blinking;squinting
orbicularis oris - ANS-origin: maxilla and mandible
insertion: encircles mouth; skin and muscles at the angles to mouth
action: compresses and purses lips
zygomaticus minor - ANS-origin: zygomatic bone
insertion: skin of superior lip
action: elevates corner of mouth
zygomaticus major - ANS-origin: zygmatic bone
insertion: skin at superolateral edge of mouth
action: elevates and abducts upper lip
masseter: - ANS-origin: zygomatic arch
insertion: coronoid process, lateral surface and angle of mandible
action: elevates and protracts mandible
temporalis - ANS-origin: superior and inferior temporal lines
insertion: coronoid process of mandible
action: elevates and retracts mandible
sternocleidomastoid - ANS-origin: manubrium and sternal end of clavicle
insertion: mastoid process
action: laterally flexes head and neck, flex neck
trapezius - ANS-origin: superior nuchai line of occipital bone; spinous processes of
C7-T12
insertion: clavicle; acromion process and spine of scapula
action: elevates and superiorly rotates scapula, retract and depress scapula
serratus anterior - ANS-origin:r ribs 1-8
insertion: medial borders of scapula
action: superior rotates scapula; stabilizes scapula
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