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Gross Anatomy 4 > Face and Scalp > Flashcards

Face and Scalp Flashcards

1
Q

What is this muscle?

A

Mentalis

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2
Q

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

A 
Skin
Connective tissue
Aponeurosis (between frontalis and occipitalis)
Loose areolar connective tissue
Periosteum (pericranium)
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3
Q

What are the arteries that supply the face?

A

Facial artery (branch of ECA)
Transverse facial artery (branch of superficial temporal artery)
Supratrochlear and Supraorbital branch off ICA to forehead

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4
Q

What is this muscle?

A

Buccinator

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5
Q

What does levator anguli superioris do?

A

Elevates the corners of the lips

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6
Q

What muscle allows for this expression?

A

Nasalis

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7
Q

What muscles make this expression?

A

Levator labii superioris

Depressor labii inferioris

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8
Q

What muscles are supplied by the buccal branch of the facial nerve? (7)

A 
Zygomaticus major and minor
Levator labii superioris 
Levator anguli oris 
Buccinator 
Orbicularis oris
Nasalis
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9
Q

What is the clinical importance of emissary veins?

A

Forms a communication between the superficial veins of the scalp in the connective tissue layer and the dural venous sinuses
Gives a potential route for infection to pass to the meninges

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10
Q

What is this muscle?

A

Levator Anguli Oris

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11
Q

What is this muscle?

A

Zygomaticus Major

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12
Q

What is this muscle?

A

Platysma

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13
Q

What is this muscle?

A

Depressor Labii Inferioris

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14
Q

What muscle makes this movement?

A

Occipito-Frontalis

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15
Q

What is highlighted?

A

Sphenoid bone

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16
Q

What muscle is responsible for this expression?

A

Platysma

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17
Q

What muscle allows for this expression?

A

Orbicularis Oris

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18
Q

What is this muscles?

A

Depressor Anguli Oris

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19
Q

What muscle allows this movement?

A

Orbicularis oculi

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20
Q

What muscles can create this facial expression?

A

Zygomaticus Major and Minor

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21
Q

What is this muscle?

A

Orbicularis Oculii

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22
Q

What muscle allows for this?

A

Buccinator

23
Q

What muscles of facial expression are supplied by the temporalis branch of the facial nerve? (2)

A

Frontalis

Oribicularis occuli

24
Q

What is this muscle?

A

Levator labii superioris alaeque nasi

25
Q

What are the dilators of the mouth?

A

Muscles that help to open the mouth - levator muscles above the mouth and depressor muscles below

26
Q

What are the branches of the facial nerve (6)?

A 
Posterior auricular 
Temporal 
Zygomatic
Buccal 
Mandibular
Cervical
27
Q

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

A

Orbicularis occuli

28
Q

What is this muscle?

A

Levator Labii Superioris

29
Q

What arteries supply the scalp?

A

Supratrochlear and Supraorbital arteries supply the anterior aspect of the scalp (derived from branches of ICA)

Rest of scalp is supplied by posterior branches of the ECA

  • Superficial temporal
  • Posterior auricular
  • Occipital
30
Q

What muscles make this expression?

A

The dilators of the mouth:

  • Risorius
  • Levator labii superioris
  • Depressor labii inferioris
31
Q

What is this muscle?

A

Zygomaticus Minor

32
Q

What is highlighted?

A

Mastoid process

33
Q

What is this muscle?

A

Nasalis

34
Q

Describe the dermatomes of the head and neck

A

C1 dermatome is replaced by the divisions of the trigeminal nerve to the face
C2 dermatome covers the posterior part of the head
C3 covers most of the neck

35
Q

What muscle makes this expression?

A

Depressor anguli oris

36
Q

What muscle is shown?

A

Frontalis / Occipitofrontalis

37
Q

What muscle is highlighted?

A

Corrigator Supercili

38
Q

What is this muscle?

A

Procerus

39
Q

What muscles of facial expression are supplied by the posterior auricular branch of the facial nerve?

A

Occipitalis

40
Q

What muscle makes a happy, smiling facial expression?

A

Risorius

41
Q

What muscles are supplied by the marginal mandibular branch of the facial nerve? (3)

A

Depressor anguli oris
Depressor labii inferioris
Mentalis

42
Q

What bones are highlighted?

A

Zygomatic bones

43
Q

What is the action of the levator labii superioris?

A

Elevates the lips

44
Q

What is this muscle?

A

Orbicularis oris

45
Q

What veins drain into the Internal Jugular Vein?

A

Facial vein

Anterior part of the retromandibular vein

46
Q

What is highlighted?

A

Styloid process

47
Q

True or False?

The facial artery is the second branch of the ECA?

A

False! - Its the third branch

48
Q

What is highlighted?

A

The maxilla

49
Q

Describe the lymphatic drainage of the face and scalp

A

Drained into nodes in the occipital, mastoid, parotid, submandibular, and submental areas.
Passes into the deep cervical nodes, which are close to the internal jugular vein

50
Q

What is this muscle?

A

Risorius muscle

51
Q

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

A

Platysma

52
Q

What muscle is highlighted?

A

Occiitalis

Part of fronto-occipitalis

53
Q

What muscle allows this movement?

A

Procerus

54
Q

What is the role of the mentalis?

A

Helps to pull down the lower lip

Gross Anatomy 4 (14 decks)

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