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Anatomy > Superficial Face and Parotid > Flashcards

Superficial Face and Parotid Flashcards

(58 cards)

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1
Q

sensory innervation over the face comes from which nerve?

A

trigeminal nerve, CN 5

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2
Q

what are the three divisions of the trigeminal nerve

A 
ophthalmic division (V1)
maxillary division (V2)
mandibular division (V3)

-three twins; three paired divisions

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3
Q

the ophthalmic division branches into what five nerves

A 
supraorbital nerve
supratrochlear
lacrimal
infratrochlear neerve
external nasal nerve
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4
Q

where does the trigeminal nerve come from?

A

lateral aspect of the pons, follows into the trigeminal ganglion

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5
Q

where does the supraorbital nerve travel?

A

middle of eyebrow, travels upward up the forward and over the top head

largest branch of ophthalmic branch of the trigeminal nerve

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6
Q

where does the supratrochlear nerve travel

A

medial to the supraorbital nerve; inner portion of the eyebrow up to the middle of the forehead

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7
Q

medial to the supraorbital nerve; inner portion of the eyebrow up to the middle of the forehead

A

supratrochlear nerve trajectory

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8
Q

middle of eyebrow, travels upward up the forward and over the top head

largest branch of ophthalmic branch of the trigeminal nerve

A

supraorbital nerve trajectory

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9
Q

where does the infratrochlear nerve travel?

A

travels from inner edge of eyebrow downward to corner of the eye

-between trochlea and medial angle of the yee

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10
Q

where does the lacrimal nerve travel

A

travels from outer edge of eyebrow downward toward middle of the eye

-superior and lateral

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11
Q

where does the external nasal nerve travel?

A

on nose

-immediately inferior to nasal bone

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12
Q

the maxillary division branches into what three nerves

A

infraorbital
zygomaticofacial
zygomaticotemporal

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13
Q

where does the infraorbital nerve travel?

A

comes out of the skull under the middle of the eye, inferiorly
through the infraorbital foramen

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14
Q

where does the zygomaticotemporal nerve travel?

A

pierces the temporal fascia and travels superiorly up the side of the face

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15
Q

where does the zygomaticofacial nerve travel

A

comes out of skill medial to the ear on side of face and travels inferiorly

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16
Q

the mandibular division of the trigeminal nerve branches into what three nerves

A

auriculotemporal nerve
buccal nerve
mental nerve

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17
Q

the auriculotemporal nerve travels with what artery?

A

superficial temporal artery

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18
Q

the auriculotemporal nerve travels where?

A

comes out of skull slightly medial to the ear on the side of face and travels superiorly

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19
Q

the buccal nerve (sensory) travels where

A

to cheek

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20
Q

the mental nerve travels where

A

to chin and lower lip

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21
Q

what components travels through the superficial fascia of the face?

A

muscles of facial expression

blood vessels, motor nerves to facial muscles, sensory nerves to skin

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22
Q

what are the three kinds of deep fascia of the face?

A

parotid fascia
buccopharyngeal fascia
temporal fascia

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23
Q
  • covers the buccinator muscle

- extends posteriorly to cover the pharyngeal constrictor muscle

A

buccopharyngeal fascia

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24
Q
  • strong fascia over the temporal fossa

- attached to superior temporal line above and to zygomatic arch below

Study These Flashcards
A

temporal fascia

25
dicuss the muscles of facial expression as a whole
- generally arise from bones or fascia of head and neck and are inserted into the skin of the face - phylogenetically developed from a continuous sheath so sometimes indistinct at borders - generally (except 1) grouped in relation to the openings they modify (ex orbit, nasal aperture, mouth) - all innervated by branches of the facial nerve (CN 7)
26
what nerve innervates all the muscles of facial expression
the facial nerve CN VII
27
epicranius muscle
frontalis (frontal belly) and occipital belly aka occipitalfrontalis draws the scalp backwards and elevates the eyebrows -surprise bells palsy = can't wrinkly forehead or raise eyebrows
28
oblicularis oculi
protects the eye from trauma, light, drying palpebral and orbital parts closes orbit, covers the globe bell's palsy = can't wink or close eye; risk of cornea drying/damaged
29
corrugator supercilii
deeper plane than oblicularis oculi and frontalis | creates vertical wrinkles in skin between eyebrows
30
orbicularis oris
important in closing the mouth bells palsy = lips pursed/protruded
31
buccinator
deeper plane origin = pterygomandibular raphe, maxilla, and mandible insertion = lips innervation = facial nerve action = important for chewing food; aids in closing lips bells palsy = cant suck cheeks inward
32
pteryhomandibular raphe
one origin of the buccinator muscles connective tissue like attached to the hamulus of the medial pterygoid plate and below the mandible behind the third tooth serves as the origin for the superior pharyngeal constrictor (gives continuity to the cheek and pharyngeal wall)
33
levator labii superioris alaeque nasi
important in opening mouth and facial expressions
34
levator labii superioris
elevates upper lip
35
zygomaticus minor
elevates lateral part of upper lip forms the nasolabial furrow (deeps during an expression of contempt) bells palsy = inabiliy to smile (on damaged side); flatted nasolabial furrow
36
levator anguli oris
deeper plane | used in smiling - raises corners of lips
37
zygomaticus major
pulls corners of mouth upward and lateral, as in laughing bells palsy = inabiliy to smile (on damaged side); flatted nasolabial furrow
38
risorius
broadens smile
39
depressor anguli oris
depresses the corner of mouth bells palsy = corners of mouth drawn downward
40
paralysis of cranial nerve VII results in what?
Bells palsy
41
platysma
largest muscle of facial expression draws corner of mouth downward; widens oral aperture, assists in depressing the mandible expression of surprise (corners of mouth pulled downward, partially opens mouth) bells palsy = can't draw corner of mouth downward or tense the skin of the neck
42
depressor labii inferioris
depresses the lower lip
43
mentalis
dimples the chin
44
what structures pass through the parotid gland?
facial nerve and its branches (TZBMC) retromandibular vein external carotid artery
45
what structures emerge from the margin of the gland (face side, not ear side)
``` parotid duct superficial temporal artery and vein auriculotemporal nerve branches of facial nerve transverse facial artery posterior auricular artery and vein ```
46
where does the facial nerve come through the skull?
stylomastoid foramen
47
what muscles are supplied by the facial nerve
muscles of facial expression digastric stylohyoid
48
what nerve does the facial nerve give off right as it passes through the stylomastoid foramen
posterior auricular nerve
49
the upper division of the facial nerve gives off which branches?
temporal zygomatic buccal
50
the lower division of the facial nerve gives off:
buccal mandibular cervical branches
51
what are the important arteries in the face
facial artery inferior labial artery superior labial artery transverse facial artery
52
the transverse facial artery comes from what branch of the external carotid artery?
superficial temporal artery (a terminal branch of the ex carotid artery)
53
what are the important veins in the face?
ophthalmic, maxillary, retromanidublar, facial vein, pterygoid plexus of veins facial vein angular vein
54
the facial vein begins as what and goes where?
angular vein --> facial vein --> joins retromandibular vein to form the common facial vein --> internal jugular vein
55
what drains into the external jugular vein?
superficial temporal vein + maxillary vein --> retromandibular vein (in parotid gland) --> posterior division of retromandibular vein joins posterior auricular vein --> external jugular vein
56
what are the layer of the scalp?
``` skin connective tissie aponeurosis loose connective tissue (allows the epicranius to move) periosteum of skill ```
57
discuss the blood supply of the scalp
internal carotid artery branches : supraorbital branches, supratrochlear branches (from opthalmic artery) external carotid artery: maxillary, superficial temporal artery, posterior auricular artery, occipital artery
58
what nerves supply the scalp?
all three divisions of the trigeminal nerve anterior primary rami of C2 and C3 of cervical plexus posterior primary rami of C2 and C3

Anatomy (19 decks)

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