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Flashcards in Head Deck (115):
1

Point where zygomatic process and temporal meet

zygomatic arch

2

3 processes of maxillary bone

alveolar, frontal, palatal

3

2 bones that make up hard palate

maxilla and palatine

4

Opening on inside of mandible for teeth

mandibular foramen

5

Innervation of facial muscles

C-VII facial nerve

6

4 main muscles of face and function

frontalis - moves forehead
buccinator - smile
obicularis oculi - around eye
orbicularis oris - around lips

7

Movements of mandibular joint (5)

elevation, depression, protrusion, retraction, lateral excursion

8

Meeting points of mandibular joint

mandibular condyle and mandibular fossa on temporal bone

9

Muscles of mastication and their movements (4)

temporalis - elevator and retractor
masseter - elevator and protruder
lat. pterygoid - pulls head forward and lat. excursion
med. pterygoid - protruder, elevator, lat excursion

10

innervation of mandible

C -V3 mandibular division of trigeminal

11

muscles of jaw opening

digastric and mylohyoid

12

main salivary gland and path of saliva

parotid gland>parotid duct>pappilae above 2nd molar

13

Placement of parotid gland

between mastoid process and ramus of mandible

14

5 main branches of facial nerve C-II (sup to inf)

Temporal, Zygomatic, Buccal, Mandibular, Carotid

15

5 layers of scalp

Skin, Connective tissue, Aponeurosis, Loose areolar tissue, Periosteum

16

2 parts of skull and function

1. braincase - protect and support brain
2. facial skeleton - protect and support airways and food passages

17

3 main sutures in skull

coronal, saggital, lambdoid, squamosal

18

3 main meeting points of sutures

bregma - coronal and sag
lambda - lamboidal and sag
pterion - coronal and squamosal

19

significance of pterion

mid. meningeal art lies just behind

20

3 levels of braincase

Ant, middle, post. fossae

21

Function and main bones of ant. cranial fossa

Funct - support frontal lobes
Bones - frontal, ant. ethmoid, lesser sphenoid, crista galli

22

Function and main bones of mid. cranial fossa

Funct - supports temp. lobe, diencephalon, pit gland
Bones - temporal, greater sphenoid

23

Function and main bones of post. cranial fossa

Funct - support brain stem and cerebellum
Bones - petrous temporal, occipital, foramen magnum

24

3 layers of meninges

1. dura mater
2. arachnoid mater, subarachnoid space, arachnoid villi
3. pia mater

25

3 spaces in meninges

extradural (outside dura mater)
subdural
subarachnoid

26

3 dural folds

falx cerebri
falx cerbelli
tentorium cerebelli

27

superior and inferior portions of head and name

supratentorial and infratentorial divided by tentorium cerebelli

28

cause of pits in skull

arachnoid villi

29

CN entering cribiform foramena

1 - ofactory bulb and tract

30

CN entering optic foramen

2 - optic

31

CN entering sup. orbital fissure

3 - occularmotor
4 - trochlear
5.1 - trigeminal - opthlalamic
6 - abducens

32

CN entering internal auditory meatus

7 - facial
8 - vestibulocochlear

33

CN entering jugular foramen

9 - glossopharangeal
10 - vagus
11 - spinal accesory

34

CN entering hypoglossal canal

12 - hypoglossal

35

vertebral arteries are branches of:

sublavians

36

entry of internal carotids

carotid canals

37

anastamosing circle of arteries

arterial circle of willis

38

main branches of external carotid

facial, maxillary, inf. alveolar, infraorbital, superficial temporal, post. auricular, occipital

39

veinous drainage of face

super. temporal
maxiallary
retromandibularext. jugular
facial
opthalamic

40

CN of sensory cutaneous innervation of face

V1 - opthalmic - upper nose, forehead, and supraorbital
V2 - maxiallary - zygomatic and infraorbital
V3 - mandibular - mental, buccal, auriculotemporal

41

boundaries of infratemporal fossa

inf to zygomatic process, between ramus of mandible and sphenoid bone

42

window between infratemporal fossa and pterygopalatine fossa

pterygomaxillary fissure

43

contents of infratemporal fossa

1. med and lat pterygoid muscles
2. maxillary artery and branches
3. mandibular branches of V3
4. chorda tympani branch of CN 7
5. Otic ganglion

44

Point of entry of V3 - mandibular

foramen ovale

45

Motor and sensory branches of V3 - mandibular

motor - temporalis, masseter, pteygoids, mylohyoid, ant. digastric
sensory - buccal, auriculotemporal, inf. alveorlar, lingual

46

branch of CN 7 carrying pregan para fibers

chorda tympani branch

47

nerve for taste in ant 2/3 of tongue

chorda tympani

48

fibers received and sent our in otic ganglion

receives - pregang para from CN 9
sent - postgang para through auriculotemporal nerve to parotid for saliva

49

Communication between orbit and mid cranial fossa (2)

optic canal, superior oribital fissure

50

Communication between orbit and pterygopalatine fossa

inf orbital fissure

51

Communication between orbit and nose

nasolacrimal canal

52

disorder of too much eye pressure

proptosis

53

parts of ocular bub (eyeball) (3)

cornea, sclera, optic nerve

54

attachments of bulbar fascia (ant and post)

post - sclera @ point of optic nerve
ant - corneoscleral junction

55

attachment of eye muscles

tendonous ring

56

6 extrinsic eye muscles and their innervation

1. medial rectus - CN3
2. lat. rectus - CN6
3. inf. rectus - CN3
4. sup rectus - CN3
5. inf. oblique - CN3
6. sup. oblique - CN4

57

position of eye if cut occulomotor nerve

inferior lateral

58

edges of eyes

cantus

59

muscle that opens eyelid and innervation

levator palpebrae superioris (CN3+sympathetic)

60

path of tears

lacrimal gland>lacrimal duct>lacis lacrimalis>lacrimal caruncle>canaliculi>lacrimal sac>nasolacrimal duct>nose

61

blood path to eye

int. carotid>optic canal>central art of retina>orbital tissues

62

blood supply from eye

opthalmic veins>cavernous sinus

63

vessels and nerves running through cavernous sinus

int carotid, C3, C4, C5.1-2, C6

64

Types of nerves in orbit

1. Sensory
2. Somatic motor
3. Para - for constrictor pupillae
4. Symp - for dilator pupillae

65

Sensory nerves of orbit (2)

1. Maxially (V2) branches - infraorbital and zygomatic
2. Opthalmic (V1) branches - lacrimal, frontal, nasociliary

66

Somatic nerves of eye (3)

CN 3 - oculomotor for most
CN 6 - for lateral rectus
CN 4 - for superior oblique

67

Para nerve of eye and synapse point

CN 3- synapse on ciliary ganglion

68

Symp nerve of eye source and function

superior cervical gang - dilate pupil

69

Path of parasymp to lacrimal gland

CN 7 > greater petrosal>through pterygoid canal>pterygoid fossa>syapse on pterygopalatine ganglion>follow zygomatic branch>lacrimal branch

70

Proportion and make-up of palate

Hard (2/3) - palatine bone and palatal process of maxillary
Soft (1/3) - tensor palatini and levator palatini

71

Sensory innervation path to palate

V2>greater palatine foramina>lesser palatine branches and nasopalatine branches

72

Blood supply to palate

Maxillary>greater and lesser palatine A

73

muscles that support floor of mouth (2)

mylohyoid and geniohyoid

74

Cavities in which tongue is located

Oral cavity (ant 2/3) and oropharynx (post 1/3)

75

Divider of tongue

sulcus terminalis

76

sense nerves for ant tongue (2)

1. lingual (CN5) - regular sense
2. chorda tympani (CN7) taste

77

sense nerves for post tongue

glossopharyngeal (CN9) - taste and senses

78

function of intrinsic muscles of tongue and innervation

shape the tongue (CN12)

79

extrinsic muscles of tongue and innervation (4)

1. genioglossus
2. hyoglossus
3. Styloglossus
4. Palatoglossus
Innerve CN12

80

Blood supply to tongue

External carotid>lingual

81

3 salivary glands and openings

1. Parotid - 2nd molar
2. submandibular - under tongue (gleek)
3. sublingual - ant. part of mouth

82

main point of head and neck lymph drainage

regional nodes> deep cervical nodes

83

Floor of nose

hard and soft palate

84

roof of nose

nasal, frontal, cribiform plate, body of sphenoid

85

walls of nose

nasal cart. maxillary, lacrimal, ethmoid, perpendicular plate of palatinem inferior choncae

86

name of spaces between chonchae

meatus

87

spaces in nasal cavity (4) and their sinuses

1. sphenoethmoial recess - sphenoidal
2. sup meatus - ethmoid sinus
3. mid meatus - ethmoidal, maxillary, frontal
4. inf meatus - nasolacrimal duct

88

Entrance to pterygopalatine fossa of maxillary nerve and artery

nerve - foramen rotundum (from CN5)
artery - pterygomaxiallary fissure

89

blood supply to lateral wall of nose (3)

1. facial>lateral nasal
2. opthalamic>ant and post ethmoidal
3. maxillary>spenopalatine

90

blood supply to nasal septum

1. sphenopalatine>septal
2. Facial>labial branch
3. opthalamic>ethmoidal
4. greater palatine

91

area of anastamoses in nose

kisselbach's area

92

Innervation of nose

1. olfactory (CN1) through cribiform
2. lateral wall sense - maxillary>nasal branch
3. medial wall sense - maxillary>nasopalatine branch

93

3 main parts of ear

Ext, middle, inner

94

Innervation of auricle of ear

Mostly V3, some C1,7,10

95

Bony make-up of ext auditory meatus

1. ext 1/3 cartelage
2. int. 2/3 bony

96

Innervation of ext. auditory meatus

Mostly V3, some C7 and 10

97

What separates ext ear from middle

tympanic membrane

98

Cone of light in tympanic membrane and sig

Umbo - will change if membrane distorted

99

Innervation of tympanic membrane

V3, C7, C10

100

Connection between middle ear and pharynx

auditory tube

101

post. connection of middle ear

mastoid air cells - via antrum

102

connection between mid and inner ear

oval and round windows

103

floor of middle ear

temporal bone over jug fossa

104

Bones of middle ear - all and indiv

Ossicles - malleus, incus, stapes

105

Attachment of malleus

tympanic membrane to incus

106

attachment of stapes

incus to oval window of inner ear

107

muscles of inner ear and function

stapedius - dampens sounds

108

Function of CN9 in middle ear (2)

1. Pregang. para fibers pass through on way to otic gang for parotid - enters via tympanic and leaves via lesser petrosal
2. sensory to middle ear and auditory tube

109

path of chorda tympani in middle ear

Facial nerve via aud. meatus>give chorda tympani>through middle ear>joins lingual>taste from ant. 2/3 of tongue

110

3 parts of inner ear

vestibule, cochlea, semicircular canals

111

Functions of cochlear duct and vestibular apparatus

1. Cochlear - heaing
2. vest - balance and motion

112

innervation of inner ear

CN8

113

liquid in inner ear

perilymph

114

5 connections of PtP fossa and through what

1. infratemporal - pterygomaxilary
2. Orbit - infraorbital groove
3. mouth - greater palatine canal
4. middle cranial fossa - foramen rotundum
5. nose - sphenopalatine foramen

115

Lymph nodes and region (5)

1. Submental - chin
2. Submandibular - under mandible
3. parotid - in front of ear
4. retroauricular - behind ear
5. occipital - near back of head

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