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Ch15 A+P lab

Terms in this set (25)

muscles of the face and head
orbicularis oculi
orbicularis oris
depressor labii inferioris
mentalis
depressor anguli oris
zygomaticus minor
zygomaticus major
masseter
frontalis
levator labii superioris
temporalis
buccinator
levator anguli oris
risorius
muscles of the neck
digastric-anterior belly
digastric-posterior belly
stylohyoid
sternocleidomastoid
omohyoid
sternohyoid
thyrohyoid
scalenes
modiolus
angle of mouth formed by the connection of the following muscles:
orbicularis oris, buccinator, levator anguli oris, depressor anguli oris, zygomaticus major, risorius, platysma, and levator labii superioris
orbicularis oculi
O-frontal and maxilla orbit
I- eyelid
A- closes eyelids
orbicularis oris
O- muscle fascia around mouth
I-lips
A- closes, compresses, and shapes lips
depressor labii inferioris
O- lateral mandible
I- muscle and skin of lower lip
A- depresses lower lip
mentalis
O- anterior mandible
I- skin of chin below lower lip
A- elevates and protruded lower lip (pouting)
depressor anguli oris
O- mandible
I- angles of the mouth
A- depresses angles of the mouth (frowning)
zygomaticus minor
O- zygomatic bone
I- angles of mouth
A- elevates angles of mouth (smiling)
zygomaticus major
O- zygomatic bone
I- angles of mouth
A- elevates angles of mouth (smiling)
masseter
O- zygomatic arch
I- mandible
A- elevates mandible (chewing)
frontalis
O- galea aponeorotica
I- superior orbital skin
A- raises eyebrows, draws scalp anteriorly
levator labii superioris
O- maxilla and zygomatic bones
I- mandible
A- elevates upper lip and flares nostrils
temporalis
O- temporal and frontal bones
I- mandible
A- elevates mandible
buccinator
O- maxilla and mandible
I- orbicularis oris
A- compresses cheek
levator anguli oris
O- maxilla and zygomatic bone
I- lips
A- elevates upper lips, flares nostrils
risorius
O- parotid fascia
I- modiolus
A- drawback modiolus (laughter)
digastric-anterior belly
O- distal margin of mandible
I- hyoid
A- elevates hyoid
digastric-posterior belly
O- mastoid otch of temporal bone
I- hyoid
A- opens mandible (yawning)
stylohyoid
O- styloid process of temporal bone
I- body of hyoid bone
A- elevates hyoid and moves it posteriorly
sternocleidomastoid
O- sternum and clavicle
I- mastoid process of temporal bone
A- abducts, rotates, and flexes head
omohyoid
O- superior body of scapula
I- body of hyoid bone
A- depresses hyoid bone
sternohyoid
O- manubrium of sternum
I- hyoid bone
A- depresses hyoid bone
thyrohyoid
O- thyroid cartilage of larynx
I- skin of chin below lower lip
A- elevates thyroid cartilage
scalenes (anterior, posterior, and middle)
O- transverse process of all cervical vertebrae (C1-C7)
I- ribs 1-2
A- flexes and rotates neck
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