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Biol 223 Lab > Ch 5 Lab > Flashcards

Ch 5 Lab Flashcards

1
Q

Frontalis

A

Raises eyebrows

Wrinkles forehead

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2
Q

Occipitalis

A

Tenses and retracts scalp

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3
Q

Orbicularis Oris

A

Compresses and purses lip

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4
Q

Zygomaticus Major

A

Retracts and elevates the corner of the mouth.

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5
Q

Buccinator

A

Compresses cheek

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6
Q

Mentalis

A

Elevates and protrudes lip

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7
Q

Platysma

A

Tenses skin of neck

Depresses lower lip

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8
Q

Orbicularis Oculi

A

Closes eye

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9
Q

Masseter

A

Elevates mandible

Closes jaw

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10
Q

Temporalis

A

Elevates and retracts mandible

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11
Q

Rectus abdominus

A

compresses abdominal wall

flexes vertebral column

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12
Q

external oblique

A

compresses abdomen
depresses ribs
flexes or bends spine

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13
Q

internal oblique

A

compresses abdomen
depresses ribs
flexes or bends spine

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14
Q

transversus abdominus

A

compresses abdomen
depresses ribs
flexes or bends spine

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15
Q

sternocleidomastoid

A

flexes neck

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16
Q

diaphragm

A

expands thoracic cavity

compresses abdominopelvic cavity

17
Q

internal intercostals

A

depresses ribs

18
Q

external intercostals

A

elevates ribs

19
Q

subclavius

A

depresses and protracts shoulder

20
Q

pectoralis minor

A

depresses scapula

elevates ribs

21
Q

serratus anterior

A

protracts shoulder

rotates scapula so glenoid cavity moves superiorly

22
Q

trapezius

A

extends clavicle

extends and laterally flexes neck

23
Q

levator scapulae

A

elevates, retracts and rotates scapula

Biol 223 Lab (4 decks)

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