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Head and Neck Anatomy > Face and Scalp > Flashcards

Face and Scalp Flashcards

1
Q

Name the muscles of facial expression

A

Frontalis

Fronto-occipitalis

Corrigator supercili

Platysma

Procerus

Nasalis

Buccinator

Orbicularis oculi

Zygomaticus major and minor

Levator labii superioris

Levator anguli

Depressor angluli inferioris

Depressor labii inferioris

Mentalis

Risorius

Levator labii superioris alaeque nasi

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2
Q

What muscles raise the lip/mouth?

A

Levator labii superioris

Levator anguli superioris

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3
Q

Which muscles lower the lip/mouth?

A

Depressor angli oris

Depressor labii inferioris

Mentalis

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4
Q

What is the action of Risorius?

A

from fascia over parotid to corner of mouth, raises corner to form happy smiling expression.

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5
Q

Which muscles of facial expression act on the nose?

A

Nasalis

Levator labii superioris alaeque nasi

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6
Q

What is the action of zygomaticus major/minor?

A

Raise corners of mouth

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7
Q

What face is made by action of
1. Procernus

  1. Corrigator
    supercilli
  2. Frontalis
A
  1. Scrunch above nose
  2. Huh face, 1 eyebrow raised
  3. Shocked face
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8
Q

What is the action of Nasalis?

A

Transverse part - Nose scrunching

Alar part - nostril flaring

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9
Q

What is the innervation to the muscles of facial expression?

A

Facial nerve

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10
Q

Sensory to face?

A

Trigeminal

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11
Q

Motor to temporalis and masseter?

A

Trigeminal

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12
Q

Name the branches of the facial nerve?

A

Two Zebras Bit My Coccyx + PA

Temporal 
Zygomatic 
Buccal 
Marginal mandibular 
Cervical 
Posterior auricular
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13
Q

What muscle is supplied by the cervical branch of the facial nerve?

A

Platysma

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14
Q

Which muscles are supplied by marginal mandibular branch?

A

Depressor anguli oris

Depressor labii oris

Mentalis

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15
Q

Which muscles are supplied by the buccal branch?

A

Zygomaticus

Levator labii and anguli

Buccinator

Orbicularis oris

Nasalis

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16
Q

Which muscles are supplied by the temporal branch of the facial nerve?

A

Frontalis

Orbicularis oculi

17
Q

Which muscle is innervated by posterior auricular nerve?

A

Occipitalis

18
Q

What muscle is innervated by the zygomatic branch of facial nerve?

A

Orbicularis oculi

19
Q

What is the 3rd branch of the external carotid artery?

A

Facial artery

20
Q

Which arteries supply the face?

A

Facial

Supratrochlear and supraorbital

Transverse facial branch

21
Q

Where are the supratrochlear and supraorbital branches derived from?

What area of the face do they supply?

A
  • ICA

- Forehead

22
Q

True or false?

The facial artery is bigger than the facial vein.

A

False

  • vein is often bigger and is much less tortuous
23
Q

Which veins does the facial vein join?

A

Anterior retromandibular then drains into internal jugular vein

24
Q

Where does the facial nerve communicate with vessels in the pterygoid venous plexus?

A

Infratemporal fossa

25
Q

What are the layers of the scalp from external to internal?

A 
Skin
Connective tissue
Aponeurosis
Loose areolar connective tissue 
Periosteum (cranium)
26
Q

What supplies the scalp with blood?

A

Branches of ICA and ECA

ICA = anterior

  • Supratrochlear, supraorbital
  • superficial temporal

ECA and superficial temporal supply the rest

  • Posterior auricular
  • Occipital
27
Q

What are emissary veins?

A

Veins that pass through the skull to allow communication with dural venous sinus

route of infection

28
Q

Which nerves contribute to innervation of scalp?

A

CNV1, CNV2, CNV3

C2/3 nerve roots - posterior scalp behind auricles

29
Q

When does the inferior alveolar nerve end?

A

When it passes through the mental foramen to form mental nerve

30
Q
  1. Ophthalmic branches?
  2. Maxillary branches?
  3. Mandibular branches?

Supplying sensory innervation to face

A
  1. Frontal, nasocilliary
  2. Superior alveolar, infraorbital
  3. Lingual, Inferior alveolar, auriculotemporal
31
Q

Dermatomes of face and scalp

A

No C1

C2 = posterior head
- greater and lesser occipital nerves

C3 - neck

Anterior scalp/face = trigeminal

32
Q

Describe the lymphatic drainage of the face and scalp?

A

Occipital, mastoid, parotid, submandibular and submental nodes then into deep cervical

Head and Neck Anatomy (14 decks)

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