WEEK 5 - FACE Flashcards

1
Q

list the muscles of the forehead

A
  • frontal belly of occipitalfrontalis
  • epicranial aponeurosis
  • corrugator supercilli
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2
Q

list the muscles of the eye

A
  • orbicularis oculi
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3
Q

list the muscles of the nose

A
  • nasalis
  • procerus
  • levator labii superioris alaeque nasi
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4
Q

list the seven muscles of the mouth which insert into the MODIOULUS

A
  • zygomaticus major
  • platysma
  • rissorius
  • levator anguli oris
  • depressor anguli oris
  • orbicularis oris
  • buccinator
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5
Q

list the muscles that lift the LIP UP

A
  • levator labii superioris alaeque nasii
  • levator labii superioris
  • zygomatic minor
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6
Q

list the muscles that depress the LIP DOWN

A
  • depressor labii inferioris
  • mentalis
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7
Q

purpose of the modiolus

A
  • moves the corners of the mouth
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8
Q

where does the fat pads lie

A

between zygomaticus major, levator anguli oris and buccinator

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9
Q

what passes through the buccal fat pad

A
  • parotid duct
  • sensory buccal nerve
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10
Q

where does the buccal fat pad extend along and lie between

A

extends along: parotid duct
lies between: temporalis fascia and muscle

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11
Q

where does the malar fat pad lie

A
  • below orbicularis oculi
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12
Q

where does the malar fat pad extend to

A
  • corners of the mouth
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13
Q

where does the infraorbital fat pad lie

A

deep to orbicularis oculi

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14
Q

where does the submental/submandibular fat pad lie

A

below the body of the mandible

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15
Q

list the 5 layers of the scalp

A

S: skin
C: cutaneous tissue
A: aponeurosis
L: loose aeoral tissue
P: periosteum

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16
Q

motor innervation of the face

A
  • facial nerve
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17
Q

sensory innervation of the face

A

trigeminal nerve
all three branches

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18
Q

what is the forehead, eyes and nose innervated by

A
  • temporal
  • zygomatic
  • buccal branches
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19
Q

what is lips, cheeks and chin innervated by

A
  • zygomatic, buccal and mandibular branches
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20
Q

where do the five terminal branches of the facial nerve emerge from

A

parotid gland - facial canal

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21
Q

where does the temporal branch of facial nerve exit from

A

superior border of the parotid gland
supplies: temple, forehead and supraorbital

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22
Q

where does zygomatic branches emerges from

A

anterosuperior border of the parotid gland
supplies: infra-orbital, lateral nasal area and upper lip

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23
Q

where does buccal branches emerges from

A
  • anterior border of parotid gland
    supplies: muscles in the cheek, upper lip and corner of the mouth
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24
Q

where does marginal mandibular branch emerge from

A

anterioinferior border of parotid gland
supplies: lower lip and chinw

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25
where does cervical branch emerge from
inferior border of the parotid gland to supply platysma
26
where does the ophthalmic nerve exits the skull through
superior orbital fissure and enters the orbit
27
branches of the ophthalmic nerve that innervates the face
- supraorbital - supratrochlear - infratrochlear - lacrimal - external nasal
28
where does maxillary nerve exits the skull through
foramen rotundum
29
branches of the maxillary nerve that innervates the face
- zygomaticotemporal - zygomaticofacial - infraorbital
30
where does the mandibular nerve exit the skull through
foramen ovale
31
branches of the mandibular nerve that innervate the face
auriculotemporal nerve - long sensory buccal nerve - mental nerve
32
location of the parotid gland
lateral to the ramus of the mandible and massetter muscle and also between mandible and SCM
33
which structures are medial to the parotid gland and seperated from it by styloid muscles
- internal jugular vein - internal carotid artery - vagus nerve
34
what is the parotid gland derived from
deep cervical fascia
35
what is the superficial part of the parotid gland attached to
- zygomatic major - mandible - tympanic plate
36
what is the thickened part of the parotid gland attached to
- styloid process - medial side of angle of mandible - forms the stylomandibular ligament
37
parotid gland innervation
receives both sensory and autonomic innervation
38
what is general sensory innervation to the parotid gland received by
auriculotemporal nerve
39
what is the auriculotemporal nerve division of
- trigeminal nerve V3 with some parasympathetic fibres from glossopharyngeal nerve
40
what does parasympathetic of parotid gland do
produces saliva - glossopharyngeal origin via auriculotemporal nerve (hitchhiker)
41
sympathetic parotid gland
inhibits saliva secretion from external carotid plexus
42
sensory of parotid gland
greater auricular nerve
43
blood supply of parotid gland
- posterior auricular artery - superficial temporal artery - transverse facial artery
44
venous drainage of parotid gland
retromandibular vein
45
where does the parotid duct leave vi
anterior border
46
where does the parotid duct cross
superficial surface of massetter
47
what does the parotid duct pierce into
buccinator
48
where does parotid duct empties into
vestibule of oral cavity between cheeks and teeth above 2nd maxillary molar = parotid papilla
49
deep structures of the parotid gland
- external carotid artery enters: posteromedial surface of parotid gland and divides within the gland to form maxillary artery - superficial temporal artery > transverse facial artery - posterior auricular artery may arise
50
intermediate structures of the parotid gland
- superficial temporal vein and maxillary vein = retromandibular vein divides into the gland into posterior and anterior branches
51
superficial structures of parotid gland
- facial nerve does NOT innervate the parotid
52
how many roots does the facial nerve have
2 - larger motor root - smaller sensory root
53
motor root of facial nerve
sends fibres to one muscle in the middle ear (stapedius) then muscles in the face, scalp, auricles and outer neck
54
sensory root of the facial nerve
termed nervus intermedius - sensory and parasympathetic sensory - taste from anterior 2/3 of tongue - parasympathetic > produces secretion
55
what does the facial nerve travel with
vestibulocochlear nervus intermedius pass through facial canal
56
where do the facial nerve, nervus intermedius and vestibulocochlear enter
internal acoustic meatus
57
does the facial nerve and nervus intermedius seperate from vestibulocochlear nerve and where do they enter
YES they do and enter facial canal horizontal plane above vestibule of inner ear
58
where does the facial nerve then bend
at the geniculate ganglion sensory ganglion
59
where do sensory fibres of facial nerve lie
geniculate ganglion
60
do parasympathetic fibres pass through geniculate ganglion
yes but they do no synapse
61
what does the vertical part of the facial nerve within canl gives off to
motor stapedius nerve
62
where does the special sensory chorda tympani nerve leaves the facial nerve via
just above the stylomastoid foramen where the facial nerve emerges from the skuull
63
origin of chorda tympani
arches upwards across the posterior wall of middle ear, across the upper part of tympanic membrane then into bone again to emerge from the petrotympanic fissure
64
what does the chorda tympani join with
lingual nerve deep to the lateral pterygoid muscle
65
function of chorda tympani
taste from anterior tongue - carries parasympathetic fibres to submandibular gland sublingual glands
66
where does the facial nerve emerge from
stylomastoid foramen
67
where does the facial nerve curve medially from
posterior auricular nerve - small branches to the posterior belly of digastric muscle and stylohyoid muscle
68
where does the facial nerve then enter after curving
posterolateral parotid and divides within the gland to form cutaneous branches to muscles of face
69