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Human Body Systems > Face and Infratemporal Fossa > Flashcards

Face and Infratemporal Fossa Flashcards

1
Q

face

A

anterior aspect of the head in between the eyebrow and the chin, base of mandible; also from ear to ear

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2
Q

Scalp

A

covers the superior, lateral and posterior of the calvaria

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3
Q

What layers make up the scalp from superficial to deep?

A

Skin, CT, aponeurosis, loose areolar tissue, and periosteum

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4
Q

What makes up scalp proper?

A

Skin, CT, and aponeurosis

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5
Q

What is within skin layer?

A

hair and sebaceous glands

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6
Q

What is within CT layer of scalp?

A

fibrofatty tissue, blood vessels and nerves, holding skin and aponeurosis together

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7
Q

What makes up aponeurosis layer of scalp?

A

thin tendinous sheet connects the occipital and frontal bellies of occipitofrontalis muscle.

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8
Q

Occipitalfrontalis muscle IM

A

M: Moving of the scalp, Wrinkles the forehead • , Raises the eyebrows
I: CNVII

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9
Q

Occipitalfrontalis muscle arterial supply

A

Branches of internal

carotid artery and external carotid artery

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10
Q

What is in loose areolar tissue and function

A

allowing movement of scalp proper, contains emissary veins

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11
Q

Periosteum function

A

covers the bone surface

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12
Q

Characteristics of face/facial muscles

A

Muscle of facial expression
Very vascular, face blush or blanch
Face wounds bleed profusely but heal rapidly Sebaceous gland – acne

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13
Q

Functional groups of facial muscles

A

Orbital
Nasal
Oral

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14
Q

Muscles in orbital group and location to one another

A

Orbicularis oculi – superficial

Corrugator supercilii – deep to orbicularis oculi

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15
Q

Orbicularis oculi IM

A

M: Orbital – forcefully closes the eyelid
Palpebral – gently closes the eyelid
I: CNVII

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16
Q

Corrugator supercilii IM

A

M: Draw the eyebrows
medially and downward
I: CNVII

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17
Q

Muscles within Nasal group

A

Nasalis – Transverse and Alar
Procerus
Depressor septi

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18
Q

Nasalis IM

A

M: Transverse – compresses nasal aperture
Alar – opens nostril
I: CNVII

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19
Q

Procerus IM

A

M: Draws the medial
eyebrows downward Makes transverse
wrinkles over the bridge of nose
I: CNVII

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20
Q

Depressor Septi IM

A

M: Pull the nose inferiorly
I: CNVII

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21
Q

Muscles in oral group

A 
Obicularis oris
Levator labii superioris alaeque nasi
Levator labii superioris
Depressor labii inferioris
Zygoma>cus major and minor
Levator anguli oris
Depressor anguli oris
Buccinator
Risorius
Mentalis
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22
Q

Obicularis oris, buccinator, and mentalis I

A

CNVII

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23
Q

Obicularis oris M

A

closes lips, protrudes lips

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24
Q

buccinator M

A

compress cheeks, pressing checks

against teeth

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25
Q

mentalis M

A

Raise and protrude lower lip and wrinkle skin on chin

26
Q

Levator labii superioris alaeque masi (LLSAN) IM

A

M: Most medial, lift
upper lip and open nostrils
I: CNVII

27
Q

levator labii superioris IM

A

M: Lateral to LLSAN, lift
upper lip
I: CNVII

28
Q

zygomaticus major and minor IM

A

M: Major – help smile,
raise corner of the mouth
Minor – help smile
I: CNVII

29
Q

Levator anguli oris IM

A

M: raise corner of the
mouth
I: CNVII

30
Q

Depressor anguli oris IM

A

M: Depress corner of the
mouth
I: CNVII

31
Q

depressor labii inferioris IM

A

M: Depress lower lip
I: CNVII

32
Q

Risorius IM

A

M: Pull the mouth
backward and outward
I: CNVII

33
Q

arterial supply of face

A

primarily from branches of external carotid artery (ECA) and small contribution from internal carotid artery (ICA)

34
Q

Branches of ECA

A

Facial artery
Maxillary artery
Superficial temporal artery

35
Q

anatomical landmarks of mandible

A 
Condyle process (Head, Neck)
Coronoid process 
Ramus
Body
Mental foramen
36
Q

What is mandible attached to?

A

Mandibular fossa

37
Q

Tempeoromandibular joint (TMJ): what kind of joint and how it is divided

A

Synovial joint with an articular disc

Divided into upper and lower joint cavity

38
Q

Ligaments of TMJ

A

Temporomandibular ligament (Lateral & capsular ligaments w/ capsular deeper)
Stylomandibular ligament
Sphenomandibular ligament

39
Q

Functions of TMJ ligaments

A

Prevent dislocation
Connect mandible to cranium
Define the movement border of mandible

40
Q

Movements of mandible

A

Protrusion
Retraction
Elevation
Depression

41
Q

Muscles of mastication

A

Temporalis
Masseter
Medial pterygoid
Lateral pterygoid

42
Q

M of temporalis and masseter

A

elevation of mandible

43
Q

Medial pterygoid M

A

elevation of mandible

44
Q

lateral pterygoid M

A

protrusion of mandible

45
Q

Temporal fossa

A

Narrow fan shape at the

lateral aspect of the skull

46
Q

Infratemporal fossa

A

Irregular shape, inferior of temporal fossa and deep and inferior to zygomatic arch

47
Q

Borders of temporal fossa

A

Superior: superior temporal line
Inferior: zygomatic arch
Anterior: frontal process of zygomatic bone, zygomatic process of frontal bone
Floor: frontal, parietal, temporal and sphenoid

48
Q

contents of temporal fossa

A

Temporalis muscle
Branches of CNV
Branches of maxillary artery
Branches of superficial temporal artery

49
Q

borders of infratemporal fossa

A 
Superior: greater wing of sphenoid 
Inferior: medial pterygoid
Anterior: posterior of maxilla 
Posterior: mastoid and styloid process 
Lateral: ramus of mandible
50
Q

contents of infratemporal fossa

A 
Inferior part of temporalis muscle
Sphenomandibular ligament; lateral and medial pterygoid
Maxillary artery and its branches
Branches of CNV, CNVII, CNIX 
Otic ganglion
51
Q

borders of external, middle, and inner ear

A

External ear – middle ear: tympanic membrane Middle ear – internal ear: within the temporal bone

52
Q

External ear components

A

Auricle and external acoustic canal

53
Q

Components of auricle

A 
Majorly cartilage 
Helix
Lobule
Concha
Tragus
Antitragus
54
Q

components of middle ear

A

Tympanic membrane, pharyngotympanic tube, auditory ossicles, tensor tympani, stapedius, and epitympanic recess

55
Q

What is tympanic membrane attached to?

A

malleus

56
Q

Function of pharyngotympanic tube

A

equalizes pressure

57
Q

Components and function of auditory ossicles

A

Function: Transmit vibration

Components: Malleus, Incus, Stapes

58
Q

Tensor tympani function

A

tenses tympanic membrane

59
Q

Stapedius function

A

Preventing excessive oscillation

60
Q

Components of inner ear

A

Within temporal bone Bony labyrinth
Membranous labyrinth Organ of balance
Organ of hearing

61
Q

Components of organ of balance

A

Semicircular canals and ducts
Utricle
Saccule

62
Q

Components of organ of hearing

A

Cochlea and cochlear duct

Human Body Systems (17 decks)

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