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Anatomy > Outline 15: Muscles Of The Face > Flashcards

Outline 15: Muscles Of The Face Flashcards

1
Q

What is another name for chewing?

A

Mastication

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2
Q

Muscles of face have how many phases?

A

3

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3
Q

What are the names of 3 phases of facial muscles?

A

Oral phase
Pharyngeal phase
Esophageal phase

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4
Q

What happens during oral phase?

A

…. Part of stomach starts to get ready to digest
…. We salivate getting ready to digest
… Part of swallowing

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5
Q

What happens if someone does not have good oral phase?

A
  • Food gets stuck, food leakage,
  • Possible indication that sensory not doing well
  • if sensory not doing well for swallowing….possible that larynx will not move up and down
  • wont close in sphincter action and possible. Leakage into trachea
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6
Q

What happens in pharyngeal phase?

A

Tongue goes backwards
Propels bloods backward
Pharynx wall opens and closes and esophagus opens

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7
Q

What happens in esophageal phase?

A

Swallow enters esophagus….. Not to concerned after this point for speech

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8
Q

What is the biological function of the mandible?

A

Chewing

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9
Q

What are the movements of mandible?

A 
Elevation
Depression
Laterization
Protrusion
Retraction
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10
Q

Are movements of mandible important for biting?

A

Yes

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11
Q

Does the jaw move to alter shape of oral phase?

A

Yes

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12
Q

Does jaw movement change resonance which shapes sounds?

A

Yes

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13
Q

How many muscles of mastication are there?

A

7

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14
Q

There are 3 elevator muscles of mastication…. Name them…

A

Temporalis
Masseter
Medial Pterygoid

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15
Q

Facts about temporalis…..

A
  • goes over a lot of temporal bone
  • elevates coronoid process
  • wiggle ears because of this muscle
  • fan shaped
  • arises from temporal fascia (temple), than spreads anteriorly, superiorly, posteriorly
  • looking at temporal bone.. , zygomatic process sticks out, so temporal process of zygomatic bone together they form an archway that lets muscles go underneath and that’s what temporalis does
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16
Q

Facts about Masseter…

A

Strongest and biggest elevator muscle for chewing

Masseter inserts into coronoid process

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17
Q

What is the biological function of the muscles of the face?

A

Chewing!!

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18
Q

Facts about medial Pterygoid muscle for mastication…..

A
  • Most important muscle for speech
  • arise from medial process of Pterygoid plate of sphenoid lower part bone
  • fibers course posteriorly and inferiorly to insert on inside of Ramus of mandible
  • deep to Masseter muscle; runs same course except one is on inside and one on outside
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19
Q

Does Pterygoid muscle and Masseter muscle form a cradle for the jaw?

A

Yes

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20
Q

There are 4 depressor muscles for mastication… Name them…..

A

Lateral Pterygoid
Mylohyloid
Geniohyoid
Anterior belly of digastricus

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21
Q

Facts about lateral Pterygoid (depressor for mastication)…..

A
  • Has 2 heads; superior head that arises from greater wing of sphenoid bone
  • Courses posteriorly to insert on Condyloid process of mandible
  • Action of lateral Pterygoid is going to pull mandible downward
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22
Q

Facts of mylohyloid muscle( depressor muscle for mandible)….

A
  • course of mylohyloid from line inside jaw coursing downward to insert on midline Ravi and onto body of hyoid bone
23
Q

Facts about Geniohyoid ( muscle depressor of mandible)….

A
  • sits ont of surface of mylohyloid;
  • arises from mental synthesis
  • posteriorly to hyoid bone
24
Q

Facts of anterior belly of Digastricus….

A

Arises from mental synthesis

  • courses laterally and posteriorly to insert on greater horns ( cornieu)
  • so if hyoid muscle is fixed and muscles contract; they assist in lowering the mandible
25
Q

Muscles for speech and facial expression have how many parts?

A

5

26
Q

What are the names of 5 facial muscle areas…

A 
Lips(cheek)
Forehead
Eyes
Ears
Hair
27
Q

What is the name between cheek and teeth?

A

Buccal cavity

28
Q

Muscles of cheek are called?

A

Buccinator muscles

29
Q

Buccinator muscle…….

  • Draws corners of mouth laterally and posteriorly(smile)
  • Pulls lips backwards
  • Sucks in lips against teeth
  • Retraction of smiling ……?
A

Yes

30
Q

Lips( cheek) muscles are categorized into how many parts?

A

4

31
Q

What are the names of 4 categories of lip(cheek) muscles?

A
  • rounding/ pursing/puckering
  • retraction /smiling
  • elevation/smiling
  • depression/smiling
32
Q

Name muscles of lips……

A

Orbicularis oris
Incisivus labii superior
Incisivus labii inferior

33
Q

Facts about orbicularis oris….

A
  • circle oral cavity
  • Muscle goes all the way around
  • For puckering
  • Tightens lips(pursing)
  • Tightens lips when eating, keeps lips closed
34
Q

Facts about Incisivus labii superior….

A
  • elevator labii superior
  • muscle of raising
  • draws corners of mouth up
35
Q

Facts about Incisivus labii inferior …..

A
  • frowning
  • depressor muscle
  • draws corners of mouth down
36
Q

Retraction/smiling muscles for face is divided into…….

A

2 parts

37
Q

What are the names of retraction/smiling muscles…..

A

Buccinator

Risorius

38
Q

Facts about buccinator muscle……..

A

On other card regarding buccinator muscle

39
Q

Facts about risorius muscle for smiling/retraction…..

A

Laughable

Smile

40
Q

How many muscle to smile?

A

8

41
Q

Name 8 smile muscles

A 
Buccinator
Risorius
Quadratic labii superior
Levator labii superior ( angular)
Levator labii nasi(infra orbital)
Zygomatic minor(zygomatic)
Canine (levator Anguili oris)
Zygomatic major
42
Q

How many depressor/ frowning muscles?

A

4

43
Q

Name 4 depressor muscles for facial expression

A

Triangularis( depressor anguli oris)
Quadrants labii inferior ( depressor labii inferior)
Mental is
Platysma

44
Q

Forehead has facial muscles too… 2 of them …. Name?

A 
Occipital frontalis
Process muscle( pyramidal is nasi)
45
Q

Facts of occipital frontalis……..

A 
Broad muscle to occipital
Moves scalp back and forth
Raises eyebrows
Raises nose
Wrinkles forehead
46
Q

Facts about Procrustean muscle( pyramidal is nasi)…….

A

Draws eyebrows
Scowl face
Intervation- cranial nerve 7(facial)

47
Q

Eye has muscles….. Name it

A

Orbicularis Palpebrum

48
Q

Orbicularis palpebrum has 2 parts…. Name?

A

Palpebral portion

Orbital portion

49
Q

Facts about Palpebrum portion

A

Palpebrum fissure- how eyebrows look at corners
Eyelids( quiet closure)
Blinking

50
Q

Facts of orbital portion………

A

Squeezes eyes closed

51
Q

Ears have muscle to ..3…..name?

A

Anterior auricularis
Superior auricularis
Posterior auricularis

52
Q

Theoretically what do these 3 ear muscles do?

A

Pull ears forward
Back and up
Relax

53
Q

Facts of Hair muscles ( posterior head)…..

A

Occipital frontalis

Anatomy (7 decks)

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