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Anatomy > Scalp, Face, & Head > Flashcards

Scalp, Face, & Head Flashcards

1
Q

What are the layers of the scalp from superficial to deep?

A
  • skin
  • connective tissue
  • aponeurosis
  • loose areolar tissue
  • pericardium
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2
Q

What part of the occipitofrontalis retracts the scalp?

A

occipital belly

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3
Q

What part of the occipitofrontalis protracts the scalp?

A

frontalis belly

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4
Q

What is the arterial supply of the scalp?

A
  • int. carotid art -> opthalmic art
  • ext carotid art -> super. temporal, post auricular, & occipital
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5
Q

What is the venous drainage of the scalp?

A

diploic veins in the diploe (spongy bone)

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6
Q

What are the muscles of the mouth?

A
  • orbicularis oris
  • buccinator
  • lip elevator
  • lip depressor
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7
Q

Which muscle of the mouth surrounds the entire mouth & forms sounds for speech?

A

orbicularis oris

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8
Q

What are the attachments & action of the buccinator as a mouth muscle?

A
  • prox: alveolar process
  • distal: pterygomandibular raphe
  • action: keeps cheek taut
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9
Q

What are the lip elevators of the mouth?

A
  • levator labii sup. alaeque nasi -> raises sup lip & nose
  • levator labii sup -> raises sup lip
  • zygomaticus maj & min -> elevate lip
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10
Q

What are the lip elevators of the mouth?

A
  • depressor anguli oris
  • mentalis
  • depressor labii inf -> depress lower lip
  • platysma
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11
Q

What are the 3 parts of the orbicularis oculi?

A
  • orbital -> closes eyelids tightly
  • palpebral -> closes eyelids
  • lacrimal -> pulls eyelids medially
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12
Q

What muscles act on the eyebrows?

A
  • depressor supercilli
  • corrugator supercilli
  • procerus
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13
Q

What muscles act on the nose?

A
  • nasalis -> flares nostril
  • depressor septi nasi -> depresses nostrils
  • procerus -> top of the nose
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14
Q

What are the muscles of mastication?

A
  • masseter
  • temporalis
  • med & lat pterygoids

inn by trigeminal nerve

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15
Q

What muscles of mastication close the mouth?

A
  • temporalis
  • masseter
  • med pterygoid
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16
Q

What muscle of mastication opens the mouth?

A

lat pterygoid

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17
Q

What are the 5 branches of cranial nerve 7 in the face?

A
  • temporal
  • zygomatic
  • buccal
  • marginal
  • cervical
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18
Q

What muscles does the temporal branch of cranial nerve 7 innervate in the face?

A
  • occipitofrontalis (frontal belly )
  • orbicularis oculi
  • auricularis sup & int
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19
Q

What muscles does the zygomatic branch of cranial nerve 7 innervate in the face?

A
  • orbicularis oculi
  • zygomaticus
  • levator labii sup
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20
Q

What muscles does the buccal branch of cranial nerve 7 innervate in the face?

A

levator labii sup & orbicularis oris

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21
Q

What muscles does the marginal mandibular branch of cranial nerve 7 innervate in the face?

A
  • risorius
  • depressor labii inf
  • mentalis
22
Q

What muscle does the temporal branch of cranial nerve 7 innervate in the face?

A

platysma

23
Q

What are the 5 branches of the external carotid artery that supply the face?

A
  • facial art
  • super. temporal art
  • maxillary art
  • post. auricular
  • occipital
24
Q

What branch of the external carotid artery branches into sup. + inf. labial & lat. nasal arteries?

A

facial artery

25
Q

What branch of the external carotid artery branches into sup + inf alveolar & buccal arteries?

A

maxillary branch

26
Q

What branch of the external carotid artery branches into the transverse facial artery?

A

sup. temporal art.

27
Q

What are the characteristics of the parotid gland?

A
  • pierces buccinator @ 2nd molar
  • location: between mandible + SCM
  • inn: glossopharyngeal n
28
Q

What is the location & innervation of the submandibular gland?

A
  • location: under the jawbone -> shoots saliva
  • inn: facial nerve
29
Q

What is the location & innervation of the sublingual gland?

A
  • location: under the tongue
  • inn: facial nerve
30
Q

What is the veinous drainage of the head?

A

drains into int. jugular

31
Q

What is the innervation of the muscles of mastication and sensation to the face?

A

trigeminal nerve -> mandibular branch

32
Q

What are the branches of the trigeminal nerve?

A
  • opthalmic
  • maxillary
  • mandibular
33
Q

What muscles does the opthalmic branch of the trigeminal nerve innervate?

A
  • supra-orbital
  • supra-trochlear
  • infra-trochlear
  • lacrimal
  • ext nasal
34
Q

What muscles does the maxillary branch of the trigeminal nerve innervate?

A
  • zygomatico-temporal
  • zygomatico-facial
  • infra-orbital
35
Q

What muscles does the mandibular branch of the trigeminal nerve innervate?

A
  • auriculotemporal
  • buccal
  • mental
36
Q

What are the extrinsic muscles of the tongue?

A
  • genioglossus
  • hyoglossus
  • styloglossus
  • palatoglossus
37
Q

What are the attachments & action of the genioglossus tongue muscle?

A
  • prox: sup mental tubercle
  • distal: hyoid body & tongue
  • action: protrude tongue & depress center of tongue
38
Q

What are the attachments & action of the hyoglossus tongue muscle?

A
  • prox: greater horn & body of hyoid bone
  • distal: lat tongue
  • action: depression of lat tongue
39
Q

What are the attachments & action of the styloglossus tongue muscle?

A
  • prox: styloid process
  • distal: lat tongue
  • actions: elevate & retract the tongue
40
Q

What are the attachments & action of the palatoglossus tongue muscle?

A
  • prox: inf palatal aponeurosis
  • distal: lat tongue
  • actions: depress solf palate & elevate post. tongue
41
Q

All muscles of the extrinsic tongue is innervated by the hypoglosal nerve EXCEPT?

A

palatoglossus -> inn by vagus nerve

42
Q

What are the intrinsic muscles of the tongue?

A
  • sup longitudinal -> taste buds
  • inf longitudinal
  • transverse
  • vertical
43
Q

What are the characteristics of the concha in the nasal cavity?

A
  • bony structures
  • sup/mid/lat concha -> increase surface area
  • function: moisterize & warm the air passing through
44
Q

What is the location & function of the semilunar hiatus in the nasal cavity?

A
  • groove in nasal cavity
  • function: drain most sinuses
45
Q

What is the location & function of the choanae in the nasal cavity?

A
  • location: post to nostrils
  • function: connect nasal cavity to pharynx
46
Q

What is the location & function of the tours tubarius in the nasal cavity?

A
  • location: between ear & nasopharynx
  • function: repressurize ear
47
Q

What is the location & drainage of the frontal sinus?

A
  • location: above the inner eye & eyebrow
  • drainage: ethmoidal infundibulum -> semilunar hiatus
48
Q

What is the location & drainage of the ethmoid sinus?

A
  • location: above nose & b/w the eyes
  • drainage: ant -> mid meatus; middle -> mid meatus; post -> sup meatus
49
Q

What is the location & drainage of the sphenoid sinus?

A
  • location: behind ethmoid sinus
  • drainage: sphenoethmoidal recess
50
Q

What is the location & drainage of the maxillary sinus?

A
  • location: below the eyes
  • drainage: maxillary ostium -> middle meatus
51
Q

What is the arterial supply & innervation of the oral cavity?

A
  • arterial supply -> lingual art
  • inn: lingual n & hypoglossal n

Anatomy (23 decks)

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