Face and parotid Flashcards

1
Q
A
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2
Q

Location of most scalp infections

A

Loose areolar layer

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3
Q
A
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4
Q

Scalp Innervation

A
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5
Q
A
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6
Q

Occipitofrontalis muscle

A
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7
Q

Occipitofrontalis inertion and action

A

O: epicranial aponeurosis

I: skin over eyebrows

A: elevates eyebrows, wrinkles forehead

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8
Q
A
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9
Q
A

Orbicularis oculi M

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10
Q

Orbicularis oris muscle insertion and action

A

O: medial orbital rim (frontal, maxilla), medial palpebral ligament

I: skin around orbit, eyelids (tarsal plates)

A: closes eyelids (blinking, squinting)

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11
Q
A

Nasalis M

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12
Q

Nasalis attachments and action

A

O: maxilla

I: alar cartilage of nose

A: flares, compresses nostrils

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13
Q
A

Orbicularis oris m

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14
Q

Orbicularis oris attachments and action

A

O: medial maxilla and mandible

I: skin, mucosa of lips

A: oral sphincter, protrude lips

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15
Q
A

Zygomaticus major

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16
Q

Zygomaticus major attachments and action

A

O: Zygomatic bone

I: angle of mouth

A: pulls angle of mouth superiorly & laterally

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17
Q
A

Zygomaticus minor m

18
Q

Zygomaticus minor attachments and action

A

O: Zygomatic bone

I: upper lip

A: elevates upper lip

19
Q
A

Levator labii superioris M

20
Q

Levator labii superioris M attachments and action

A

O: inf margin of orbit, sup. to infraorbital foramen

I: upper lip

A: elevates upper lip

21
Q
A

Levator anguli oris M

22
Q

Levator anguli oris M attachments and action

A

O: facial part of maxilla, inf to infraorbital foramen

I: angle of mouth

A: elevates angle of mouth

23
Q

attachments too

24
Q
A

Buccinator m

25
Buccinator attachments and action
O: alveolar processes of maxilla & mandible, pterygomandibular raphe I: angle of mouth, skin of cheeks A: compresses cheeks, keeps food between teeth
26
Mentalis
27
Mentalis attachment and action
O: incisive fossa of mandible I: skin of chin A: protrudes lower lip, crumples skin of chin
28
Platysma
29
Platysma attachment and action
O: skin of neck and upper thorax I: mandible, blends with inferior oral MM A: tenses skin of neck, depresses mandible (against resistance)
30
Branches of facial nerve
31
Facial nerve emerges from
Stylomastoid foramen
32
Foramen of trigeminal branches
33
Branches of opthalmic
Nasociliary, lacrimal, and frontal
34
Frontal nerve branches into:
Supraorbital and supratrochlear
35
Maxillary nerve branches
Zygomaticotemporal, zygomaticofacial, infraorbital
36
Branches of mandibular nerve
Auriculotemporal, long buccal, mental
37
General blood supply to face
38
39
40
Sensory portion of parotid gland
Sensory to sheath from great auricular N (cervical plexus)
41
Secretomotor to parotid (parasymp.)
- Glossopharyngeal N (CN IX) - preganglionic parasymp. - synapse at otic ganglion