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Anatomy > Exam3Lec3Scalp,Face,andHead > Flashcards

Exam3Lec3Scalp,Face,andHead Flashcards

1
Q

What are the layers of the scalp superficial to deep?

A

Skin=hair, sweat, sebaceous (oil) glands
Connective Tissue=subcutaneous layer
Aponeurosis= tendinous sheath
Loose areolar tissue
Pericranium=periosteum (membranous tissue)

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2
Q

What is the musculature of the scalp?

A

Occipitofrontalis=in aponeurosis layer
Occipital belly-retracts the scalp
Frontalis belly-protracts the scalp

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3
Q

What is the arterial supply of the scalp?

A

Internal carotid artery brs.
opthalmic artery–> supratrochlear + subraorbital artery

External carotid artery brs.
superficial temporal artery
posterior auricular artery
occipital artery

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4
Q

What drains the scalp?

A

diploic veins in the diploe (spongy bone)

low yield

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5
Q

What are the muscles of the mouth?

A

orbicularis oris, buccinator, lip elevators, lip depressors

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6
Q

What is the orbicularis oris muscle? What is its action?

A

surrounds the entire mouth above and below the lips
Action: forming sounds for speech

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7
Q

What is the buccinator muscle?

A

Deep to the masseter m & penetrated by the parotid duct (HIGH YIELD)

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8
Q

What is the PA, DA, and action of the buccinator?

low yield, excpet action

A

PA: alveolar process
DA: pterygomandibular raphe
Action: keeps the cheek taut

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9
Q

What are the lip elevators?

A
  1. levator labii superioris alaeque nasi
  2. levator labii superioris
  3. levator anguli oris (levatate corners of mouth)
  4. risorius (straight smile)
  5. zygomaticus major & minor
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10
Q

What are the lip depressors?

A
  1. depressor anguli
  2. mentalis
  3. depressor labii inferioris
  4. platysma
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11
Q

What does orbit mean?

A

bony cavity housing the eyball

“eye socket”

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12
Q

What are the muscles are the orbit?

A

orbicularis oculi, muscles acting on the eyebrows, muscles acting on the nose

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13
Q

What are the three parts of the orbicularis oculi?

A
  1. orbital part-closes eyelides (tightly)
  2. Palpebral part-closes eyelids
  3. Lacrimal part-pulls eyelid medially
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14
Q

What are the muscles acting on the eybrows?

A

Depressor Supercilii
Corrugator Supercilii
Procerus

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15
Q

What are the muscles acting on the nose?

A

Nasalis-flares nostrils
Depressor Septi Nasi-depresses nostrils
Procerus

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16
Q

What is the innervation of the face?

A

facial nerve (CNVII=7)

has 5 branches

facial nerve innervates stylohyoid + post belly of digastric

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17
Q

What are the branches of the Facial nerve CNVII=7?

A

Temporal, zygomatic, buccal,marginal mandibular, cervical

“This Zone Basically Makes Me Cry”

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18
Q

What muscles does the temporal branch innervate?

A

occipitofrontalis m–frontal portion =frontal belly
orbicularis oculi m..

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19
Q

What muscles does the zygomatic branch innervate?

A

zygomatic m.
levator labii superioris m.
orbicularis oculi m.

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20
Q

What muscles does the buccal branch innervate?

A

levator labii superioris m.
orbicularis oculi m.

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21
Q

What muscles does the marginal mandibular branch innervate?

A

risorius m.
depressor labii inferioris m.
mentalis m.

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22
Q

What muscles does the cervical branch innervate?

A

platysma m.

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23
Q

What is the vascularization of the face?

A

External carotid artery (5 branches)
Venous drainage: internal jugular vein (IJV)-low yield
Lymphatic drainage: sentinel lymph nodes-low yield

has 5 branches

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24
Q

What are the branches of the external carotid artery for face vascularization?

A

facial artery, superficial temporal artery, maxillary artery, posterior auricular artery, occipital artery

“Only Fans Posts Sexy Material”

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25
Q

What does the superficial temporal artery branch off into?

A

Branches off into transverse facial artery

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26
Q

What does the maxillary artery branches off into?

A

Branches off into superior and inferior alveolar & buccal arteries

“Max Always Bites”

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27
Q

What are salivary glands? Name them all

A

secrete saliva into oral cavity
parotid gland
submandibular gland
sublingual gland

PSS I have a secret Saliva!!

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28
Q

What is the location and innervation parotid gland?

A

pierces buccinator m @ 2nd molar (know this)

Location: b/w the mandible (jaw) +SCM
Innervation (parasymp): glossopharyngeal n. (CN IX=9)

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29
Q

What is the location and innervation of the submandibular gland?

A

Location: under the tongue–> shoots saliva (“gleeking”)
Innervation (parasymp): facial nerve (CNVII=7)

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30
Q

What is the location and innervation sublingual gland?

A

Location: under the sublingual fold
Innervation (parasymp): facial nerve (CNXII=7)

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31
Q

What are the parotid and submandibular glands covered by?

A

Covered by the investing layer of the deep cervical fascia.

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32
Q

What are the muscles of mastication of the face?

A

Temporalis: covers temporal bone
Masseter: coverers buccinator
Medial pterygoid
Lateral pterygoid

Talk Mean Me Like Terry

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33
Q

What muscles of mastication closes the mouth?

A

Temporalis
Masseter
Medial pterygoid

strong muscles close jaw– strongest=masseter

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34
Q

What muscles of mastication opens the mouth?

A

lateral pterygoid

weak muscles open jaw–> b/c gravity pulls the jaw down

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35
Q

_______ depresses the mandible which opens the mouth

A

digastric

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36
Q

What is the innervation of the muscles of mastication?

A

Trigeminal n. (CNV=5)–> mandibular br. (CNV-3)

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37
Q

What is the innervation of the “deep” face?

A

Trigeminal n. (CNV=5)

has 3 branches

Opthalmic branch (CN V1), Maxillary branch (CN V2), Mandibular branch (CN V3)

38
Q

What are the three branches of the trigeminal nerve?

A

Opthalmic branch (CN V-1)
Maxillary Branch (CNV-2)
Mandibular Branch (CN V-3)

39
Q

The Opthalamic branch gives off what nerves?

CN V-1

A

Supra-orbital
Supra-trochlear
Infra-trochlear
External nasal
Lacrimal

40
Q

The maxilllary branch gives off what nerves?

CN V-2

A

Zygomatico-temperal
Zygomatico-facial
Infra-orbital

41
Q

The mandibular branch gives off what nerves?

CN V-3

A

Auriculotemporal
Buccal
Mental

innervates the muscles of mastication

42
Q

What is the definition of sinuses in the nasal cavity?

A

spaces in the bone surrounding nasal cavity. Produce mucus that drains into the nasal cavity

43
Q

What are the sinuses of the nasal cavity?

A

frontal sinus, ethmoid sinus, sphenoid sinus, maxillary sinus

44
Q

What is the location and drainage of the frontal sinus?

A

Location: above the inner eye + eyebrow area
Drainage: ethmoidal infundibulum–> semilunar hiatus

45
Q

What is the the location and drainage of the ethmoid sinus?

A

Location: above the nose and between the eyes
Drainage:
* anterior: middle meatus
* middle: middle meatus
* posterior: superior meatus

46
Q

What is the location and drainage of the sphenoid sinus?

A

Location: behind the ethmoid sinus
Drainage: sphenoethmoidal recess

47
Q

What is the location and drainage of the maxillary sinus?

A

Location: below the eyes (near the cheek area)
Drainage: maxillary ostium–> middle meatus

48
Q

What is the concha of the nasal cavity?

A
  • bony structures in nasal cavity wall
  • sup./mid./inf. concha–> incr the surface area
  • functions to moisturize +warm the air passing through
49
Q

What is the semilinar hiatus of the nasal cavity?

A
  • groove in nasal cavity wall
  • functions to drain most sinuses (ex: frontal sinus)
50
Q

What is the choanae of the nasal cavity?

A

opening b/w nasal cavity and nasopharynx
Location: posterior to the nostrils
Functions to connect nasal cavity to the pharynx

chonae=connect

51
Q

What is the torus tubarius of the nasal cavity?

A

opening b/w ear and nasopharynx
functions to repressurize the ear

52
Q

What is the soft palate of the oral cavity?

A

roof of the mouth (muscular part)
covered by palatal aponeurosis–> supports the muscles
Muscles:
* Levator palati-elevates soft palate
* Tensor palati-tenses soft palate

53
Q

What is the arterial supply of the oral cavity?

A

External carotid artery brs.
Lingual artery (branches into deep lingual artery and sublingual artery)

54
Q

What is the venous drainage of the oral cavity?

A

Lingual vein

55
Q

What is the innervation of the oral cavity?

A

lingual n + hypoglossal n (CNXII =12)

lingual n. is a branch off trigeminal n. (CN V-3)

56
Q

What two types of muscles do we have for the tongue muscles?

A

Extrinsic and Intrinsic Muscles

57
Q

What are the extrinsic muscles of tongue?

A

Connect outide of the tongue
1. Geniohlossus
2. Hyoglossus
3. Styloglossus
4. Palatoglossus

Get High Stay Perfect

58
Q

Which extrinsic muscles are innervated by the hypoglossal n (CN XII=12)?

A

Genioglossus
Hyoglossus
Styloglossus

59
Q

Which extrinsic musces are innervated by the vagus n (CN X=10)?

A

Palatoglossus

60
Q

What are the intrinsic muscles of the tongue?

Very low yield

A

connect inside of tongue
Superior longitudinal muscle=site of taste buds
inferior longitudinal muscle
transverse muscle
vertical muscle

61
Q

What is the PA,DA, Inn, and Actions of the Genioglossus m.?

A

largest tongue m.
PA: sup. mental tubercle
DA: hyoid body and tongue
Innervation: hypoglossal n (CNXII=12)
Actions: protrude the tongue + depress the center of it

62
Q

What is the PA,DA, Inn, and Actions of the Hypoglossus m.?

A

PA: greater horn + body of the hyoid bone
DA: lateral tongue
Innervation: hypoglossal n. (CNXII=12)
Actions: depression of lateral tongue

63
Q

What is the PA,DA, Inn, and Actions of the Styloglossus m.?

A

PA: styloid process
DA: lateral tongue
Innervation: hypoglossal n. (CNXII=12)
Actions: elevate + retract the tongue

helps with chewing and swallowing and pushing food along

64
Q

What is the PA,DA, Inn, and Actions of the Palatoglossus m.?

A

PA: inf. palatal aponeurosis
DA:lateral tongue
Innervation: vagus n. (CNX=10)
Actions: depress the (soft) palate + elevate post. tongue

helps with chewing and swallowing and pushing food along

65
Q

What is this arrow pointing to?

A

Orbicularis oris

66
Q

What is this arrow pointing to?

A

Zygomaticus Major

67
Q

What is this arrow pointing to?

A

Levator anguli oris

68
Q

What is this arrow pointing to?

A

Buccinator

69
Q

What is this arrow pointing to?

A

Zygomaticus minor

low yield photo

70
Q

What is this arrow pointing to?

A

Risorius

71
Q

What is this arrow pointing to?

A

Levator Labii superioris alaequae nasi

72
Q

What is this arrow pointing to?

A

Levator Labii Superioris

73
Q

What is this arrow pointing to?

A

Platysma

74
Q

What is this arrow pointing to?

A

Depressor Anguli oris

75
Q

What is this arrow pointing to?

A

Depressor Labii inferioris

76
Q

What is this arrow pointing to?

A

Mentalis

77
Q

What is this arrow pointing to?

A

Orbicularis Oris

78
Q

What is this arrow pointing to?

A

Buccinator

79
Q

What is this arrow pointing to?

A

orbicularis oculi

low yield photo

80
Q

What is this arrow pointing to?

A

orbital part

low yield photo

81
Q

What is this arrow pointing to?

A

palpebral part

low yield photo

82
Q

What is this arrow pointing to?

A

Corrugator supercilli

low yield photo

83
Q

What is this arrow pointing to?

A

Procerus

low yield photo

84
Q

What is this arrow pointing to?

A

Depressor supercilli

low yield photo

85
Q

What is this structure?

A

Temporalis

high yield

86
Q

What is this structure?

A

Masseter

high yield

87
Q

What is this structure?

A

Lateral Pterygoid muscle

high yield

88
Q

What is this structure?

A

Medial pterygoid muscle

high yield

89
Q

What is this structure?

A

Hyoglossus

90
Q

What is this structure?

A

Styloglossus

91
Q

What is this stucture?

A

Genioglossus

92
Q

What are these structures?

A

superior, middle, and inferior concha

Anatomy (13 decks)

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