Bcd Anatomy Test 3: Face

Front 1

borders of the face

Back 1

hairline and chin and anterior to the external ear

Front 2

all muscles of facial expression arise from _____ or _______ and insert into ________

Back 2

fascia or facial bones and inserting into the skin

Front 3

motor function to all muscles of facial expression

Back 3

facial CN VII

Front 4

2 functions of muscles of facial expression

Back 4

- control opening of orifices (dilators and sphinctors)
- produce facial expressions (movers of overlying skin)

Front 5

in general, the movement produced by a muscle of facial expression is in a direction ___________ to the direction in which the muscle fibers run

Back 5

RIGHT ANGLES

Front 6

muscle of the neck

Back 6

platysma

Front 7

muscles of the scalp and how they're connected

Back 7

occipitalis
frontalis
attached by tendon galea aponeurotica

Front 8

lip raisers

Back 8

levator labii superioris
zygomaticus major and mino
levator anguli oris
levator labii superioris alaeque nasi
risorius

Front 9

lip depressors

Back 9

depressor labii inferioris
depressor anguli oris

Front 10

mouth and eye sphincters

Back 10

orbicularis oris

orbicularis oculi

Front 11

expression muscle of the neck

muscle of the chin

muscle of the cheek

Back 11

platysma

mentalis

buccinator

Front 12

buccinator forms substance of the cheek ______(position) to the _______ and _______

Back 12

lateral to the molar teeth and vestibule

Front 13

attachments of buccinator (posterior and anterior)

Back 13

posterior: pterygomandibular raphe and buccal surfaces of alveolar processes of mand and max molar teeth

anterior: corners of mouth, blend with orbicularis oris

Front 14

action of buccinator

Back 14

press mucosa of cheek against the teeth, as in blowing, transportation of food bolus

Front 15

muscles of the nose and their action

Back 15

nasalis- transverse and alar portions. different parts constrict or dilate nostrils

depressor septi: dilates nostrils

procerus: depresses eyebrows medially

Front 16

muscles surrounding the eye and their action

Back 16

orbicularis oculi
palpebral portion: gently close
orbital portion: close tightly

corrugator supercilii: forms vertical wrinkles between eyebrows

Front 17

branches of the facial nerve CN VII

Back 17

- temporal
- zygomatic
- buccal
- mandibular
- cervical

Front 18

branches of facial nerve arise from the nerve near _________ and course __________ across the face to reach their respective muscles

Back 18

ear (stylomastoid foramen)
course anteriorly

Front 19

causes bell's palsy and what is it

Back 19

paralysis of part of facial nerve, can't get facial expression on one side

Front 20

named branches of CN V to superficial face and which branch the come off

Back 20

supraorbital (V1)
infraorbital (V2)
supratrochlear (V1)
zygomaticotemporal, zygomaticofacial (V2)
mental n. (V3)

Front 21

supraorbital nerve emerges from __________ and innervates __________

Back 21

notch or foramen on superior rim of orbit

inn: skin of central forehead

Front 22

infraorbital nerve emerges from ______________ and supplies these 3 things _____________

Back 22

infraorbital foramen below inferior rim of orbit

(large nerve) innervates lower eyelid, side of nose, upper lip

Front 23

supratrochlear emerges from _____________________ and innervates

Back 23

the superomedial part of the orbit

innervates skin overlying the medial forehead

Front 24

zygomaticotemporal and zygomaticofacial nerves emerge from _____ and inenrvate

Back 24

foramina on zygomatic bone

innervate skin over zygomatic bone and part of scalp over temple

Front 25

mental nerve emerges from ______ and innervates

Back 25

mental foramen in mandible near chin

innervates skin over chin, lower lip

Front 26

cervical branches of the facial artery

Back 26

- ascending palatine
- tonsillar
- glandular (to submandibular gland)
- submental (usually largest branch)

Front 27

facial branches of the facial artery

Back 27

- inferior labial
- superior labial
- lateral nasal
- angular (termination of facia a)

Front 28

superficial temporal artery branches from ______ and supplies blood to _______ and _____

Back 28

external carotid (terminal branch)
to lateral and anterior scalp

Front 29

branch of internal carotid artery that supplies the face

how does it get to face and where does it go?

Back 29

ophthalmic artery
goes through orbit to reach skin of forehead

Front 30

facial vein drains to

Back 30

internal jugular

Front 31

area drained by ______ vein is called the danger area because it has connections from what veins?

Back 31

angular vein
has connections from opthalmic veins of the orbit which in turn connect to cavernous sinus at base of the brain

Front 32

why is the danger area so dangerous?

Back 32

can spread infection fro superficial face into cranial cavity --> meningitis

Front 33

scalp covers (3 parts)

Back 33

1. forehead
2. superior aspect of cranial vault
3. occipital region above nuchal line

Front 34

5 sensory nerves to the scalp

Back 34

- CN V1: supratrochlear & supraorbital ns.
- CN V2: zygomaticotemporal n.
- CN V3: auriculotemporal n.
- lesser occipital n.
- greater occipital n (DPRS)

Front 35

blood supply to scalp from external carotid artery

Back 35

- superficial temporal a.
- posterior auricular a.
- occipital a.

Front 36

blood supply to scalp from ophthalmic artery (internal carotid branch)

Back 36

- supratrochlear a.
- supraorbital a.

Front 37

veinous drainage of scalp ultimately goes to

Back 37

external or internal jugular vein

Front 38

the temporal fossa is delineated by
laterally:
anteriorly:
medially:
superiorly:

Back 38

- zygomatic arch
- frontal process of zygomatic bone
- greater wing of the sphenoid and squamous portion of the temporal bone
- temporal lines

Front 39

infratemporal fossa is located inferior to ______

delineated by
laterally:
medially

Back 39

zygomatic arch

Lateral: ramus of the mandible

medially: lateral pterygoid plate of the sphenoid

Front 40

boundary between temporal fossa and infratemporal fossa

Back 40

level of zygomatic arch

Front 41

retromandibular region is a space posterior to _______ and anterior to ______ Filled primarily by ___________

Back 41

mandibular ramus
mastoid process
parotid gland

Front 42

parotid gland and masseter muscles are invested by the ___________ fascia which is a continuation of the ______

Back 42

parotideomasseteric fascia
outer investing layer of the deep cervical fascia

Front 43

the temporalis fascia attaches to these three things.

Back 43

1. zygomatic arch
2. frontal process of the zygomatic bone
3. superior temporal line

Front 44

how many portions of parotid?

relationships to mastoid process and ramus of mandible

Back 44

3
superficial to
between
deep to

Front 45

superiorly, the parotid gland is adjacent to these 2 things

Back 45

1. external auditory meatus
2. TMJ

Front 46

inferiorly, the parotid gland overflows this

Back 46

posterior belly of digastric

Front 47

anteriorly, parotid lies next to these 2 things

Back 47

1. mandible
2. masseter muscle

Front 48

posteriorly, parotid gland extends into ________

Back 48

the retromandibular space

Front 49

sympathetic innervation to parotid is typically described as following the __________ nerve, but also contributions from _____________

Back 49

the lesser petrosal nerve

sympathetic plexus on the external carotid artery

Front 50

parasympathetic innervations to parotid come from

Back 50

hypoglossal IX

Front 51

main trunk of facial nerve emerges from the skull via this foramen

Back 51

stylomastoid foramen

Front 52

first branches off the facial nerve

Back 52

branches to stylohyoid and posterior belly of digastric muscles

Front 53

branches of the facial nerve that arise intracranially have ____ and/or _____ components

Back 53

parasympathetic and/or special sensation (taste) components

Front 54

external carotid artery enters the retromandibular area from ________ by passing deep to _______ and ____ muscles

Back 54

carotid triangle by passing deep to the posterior belly of the digastric and stylohyoid muscle

Front 55

last 3 branches of external carotid given off within the parotid gland

Back 55

- posterior auricular artery
- maxillary a (to infratemporal fossa) terminal
- superficial temporal (terminal)

Front 56

large vein within substance of partoid gland
provides drainage for what?

Back 56

retromandibular vein drains superficial and deep regions of face and portions of the scalp

Front 57

retromandibular vein is formed by the union of these 2 veins

Back 57

superficial temporal v. and maxillary v.

Front 58

origin and insertion of superficial portion of masseter

Back 58

Origin: anterior 2/3rds of the inferior surface of the zygomatic arch

insertion: lateral aspect of the ramus of the mandible down to the angle of the mandible

Front 59

origin and insertion of deep portion of masseter

Back 59

origin: deep medial surface of the zygomatic arch

insertion: superior half of the lateral mandibular ramus

Front 60

action of masseter

Back 60

elevates mandible in biting and mastication

unilaterally: produces transverse movements of the mandible

Front 61

Temporalis muscle OIA

Back 61

O: whole of the temporal fossa and the temporalis fascia

I: the muscle and the tendon attach to anterior and medial border of the mandibular ramus from tip of coronoid process down to the region directly posterior to the 3rd molars

A: elevates the mandible during biting and mastication, posterior fibers retract mandible

Front 62

buccinator is continuous with the fibers of this muscle ______ and joins the superior pharyngeal constrictor posteriorly at the __________ raphe

Back 62

orbicularis oris

pterygomandibular raphe