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Gross Anatomy > Head: Outline 19 > Flashcards

Head: Outline 19 Flashcards

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1
Q

What happen when you hit your temporal bone at pterion?

A

middle meningeal artery bleed out

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2
Q

What does occipital bone contain?

A

occipital condyle

foramen magnum

external occipital protruberance

superior and inferior nuchal line

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2
Q

What does inf aveolar nerve innervate?

A

aveolar processes

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3
Q

What happen when you lose your teeth? what happen if fracture occur?

A

angle of mandible becomes shallows (losing bone)

it cause symmetric break

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4
Q

What are also parts of the skull?

A

pterion

3 sutures

3 landmarks

4 openings

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5
Q

what does external acoustic meatus do? Where is the orbit?

A

carry sound wave to ear

eye socket

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6
Q

What are the facial bones?

A

maxillae

mandible

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7
Q

What is the characteristic of skull fracture?

A

It never heal and not be able to tell from the outside

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8
Q

What does ramus of mandible have? Where is each at?

A

condyle - posterior of mandible

coronoid process - ant of mandible

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9
Q

What does calvaria contain?

A

frontal

temporal, sphenoid, parietal (laterally)

occipital (posteriorly)

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10
Q

Where is the zygomatic arch? What attach to mastoid process? styloid process?

A

cheek bone

posterior digastric

stylohyoid muscle

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10
Q

What attach to the sup & inf nuchal line?

A

the muscle that attach to base of skull

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10
Q

What is pericranium equivalent to?

A

periosteum

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11
Q

What is osteomyelitis? epidural abcess? meningitis?

A

skull bone infection

infection between bone and dura matter

inflamation of meninges

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12
Q

What are the 3 sutures? Where is each suture?

A

saggital - between 2 parietal

coronal - between frontal and parietal

lambooid - between occipital and parietal

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13
Q

Where does the inferior alveolar N travel?

A

from mandibular foramen to mental foramen

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13
Q

Where is the symphysis menti? mental protruberance? mental tubercle?

A

the midline of mandible

the obtrused pump inferior of symphysis menti

two side next to symphysis menti

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14
Q

What are the 3 landmarks in skull? Where is each site?

A

lambda - where the occipital and parietal sutures met

bregma - where the sagital and coronal sutures intersect

vertex - at the highest point of sagital sutures

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17
Q

What happen when you got black eye by punch?

A

it damage the frontal/ nasal bone and cause the subcutaneous bleeding above the eye and roll down below the eye

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17
Q

what is the characteristic of temporal bone?

A

thinner than other bone and muscle is thicker

widest part of your skull

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18
Q

What are blood supplies for head? Each site of brain for this blood supply?

A

branches of subclavian - post brain

common carotid - anterior and lateral

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19
Q

What does temporal bone contain?

A

zygomatic arch

mastoid process

styloid process

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20
Q

What are the branches of subclavian A to the head?

A

inferior thyroid (thyroid cervical trunk)

vertebral

deep cervical A (costocervical trunk)

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21
Q

What comprise of orbit?

A

frontal

zygomatic

maxillae

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23
What does mandible contain?
body, angle and ramus symphysis menti, mental protuberance, mental tubercle mandibular canal alveolar processes
24
What is characteristic of sphenoid? What does it contain?
butterfly shape and connecting with other 8 bones sella turica
24
What comprise the nasal aperture?
nasal and maxillae
25
What are branches of vertebral A?
2 post cerebral A basilar A
26
What is the characteristic of scalp skin?
rich in blood supply sweat gland and hair
28
What exit through infraorbital foramen? What is the alveolar processes?
infraorbital N + A tooth sockets
29
Where does the vertebral A travel through? How many are there?
transverse foramen 2 vertebral A from 2 subclavian A
30
What innervate the alveolar processes? What branch is this nerve part of?
inferior alveolar N cranial nerve V
31
What does the parietal bone contain? What is the characteristic of parietal bone?
superior temporal line (temporal fascia) inferior temporal line (temporal muscles) the largest part of your skull
32
What does scalp stand for?
Skin Connective tissue aponeurosis epicranialis loose areolar tissue pericranium
33
What does cranium contain?
calvaria and facial bone except mandible
35
What does mandibular canal have? What does travel through this canal?
mandibular foramen mental foramen inferior alveolar N
36
What is the suture joint? frontanelles?
where does the bones connect where the sutures joints intersect
37
What are the 4 openings?
forament magnum external acoustic meatus orbits nasal aperture
38
What is filled in subarachnoid space?
CSF
39
what does loose areolar tissue have? What is dangerous about this?
emisary veins pathway for infection
40
What form the basilar A? What does it supply?
2 vertebral A base of pons
41
What does the condyle of mandible do?
articulate with the temporal bone
42
What is connective tissue's job?
connect skin and to other layer
44
What is the characteristic of wall of skull for elderly/baby/woman?
they are thinner
45
What does basillar divide? What does this branch supply?
2 posterior cerebral A posterior and inferior brain
46
What does maxillae bone contain?
infraorbital foramen alveolar processes
47
What does the sella turica contain?
pituatary gland
48
What is cleft palate? What does it cause?
the palatine process of maxillary bone doesn't fuse the harelip and hole in roof out mouth
49
What branch is the inferior thyroid A from? deep cervical A?
thyrocervical trunk costalcervical trunk
50
What does inferior thyroid supply? deep cervical A?
thyroid gland cervical vertebrae
51
What does deep cervical A anastomoses with?
occipital A in occipital triangle
52
What is #8? What does it form into?
vertebral A basillar A
53
What is #18? In what triangle is this artery in?
Common Carotid Carotid triangle
54
What is #19? What does it supply?
Internal Carotid anterior and lateral of brain
55
What is the red arrow A? What part of branch is this?
deep cervica A costocervical A
56
What is the green arrow A? What branch is this A part of?
inferior thyroid A thyrocervical A
57
What is the blue arrow A? How do you know?
costocervical A It gives of deep cervical A
58
WHat is the purple arrow A? What is it branch of?
superior thyroid A external carotid A
59
What is the yellow arrow A?
thyrocervical A
60
What are the external branchces of external carotid? (POSTMFAS)
Posterior Auriular Occipital Superficial Temporal Tounge Maxillary Facial Ascending pharyngeal Superior Thyroid
61
What does superior thyroid A supply? ascending pharyngeal A?
thyroid gland pharynx and prevertebral muscles
62
What does facial N from external carotid supply?
face below the eyes
63
What does occipital A supply? maxillary A?
posterior and inferior scalp mouth, nose, teeth and jaw
64
What does superficial temporal A supply? Post Auricular?
face, scalp, external ear Scalp ext ear and eardrum
65
What are the branches of internal carotid? (PAMAO)
Posterior communicating branch anterior cerebral middle cerebral anterior choroidal opthalmic
66
What does anterior choroidal supply? Post communicating?
deep nuclei It connect internal carotid with post cerebral A
67
What does anterior cerebral A supply? middle cerebral A?
anterior and medial brain lateral of brain
68
What are the blood supply the brain? Each site of brain?
anterior cerebral (medial and anterior brain) post cerebral (Post/ inf brain) middle cerebral (lateral of brain)
69
Contents of circle of WIllis?
posterior cerebral post communicating branch ant cerebral ant communicating branch internal carotid
70
What does circle of Willis supply?
pituatary gland
71
If the blockage is form in one of BS in circle of willis, what happen?
the alternative blood supply will form in other branch
72
What is trigeminal nerve? What is its root?
Nerve of sensation of face cranial N V
73
What does trigeminal nerve contain?
opthalmic nerve (V1) maxillae (V2) Mandible (V3)
74
Where does opthalmic N innervate? maxillae? mandible?
the above eye upper lip and cheek sensory part of lower jaw and side of face infront of ears, motor to muscle of mastication
75
What is trigeminal N equivalent to?
the median N of hand
76
What is facial N? What does it innervate?
Cranial N VII it innervate muscles for face expression sensory and parasympathetic pathway
77
Branches in facial N? BCMPTZ
Buccal Cervical Mandibular Post auricular temporal zygomatic
78
What are 2 sensory and parasympathetic of cranial N VII?
greater protrosal chordal tympani
78
What is the sensory and parasympathetic pathway of chorda tympani?
anterior surface of 2/3 of tounge saliva gland (submandibular and sublingual gland)
79
What is the sensory and parasympathetic pathway of greater protrosal?
taste to palate (in mouth not the tounge) lacrimal gland (tear gland)
80
What happen to you when you get Bell's palsy?
you get droopy facial muscles you can't close your eyes dry eys lost nerve innervation of saliva gland on one side can't close your mouth when you eat
81
What does cranial N XI contain?
cranial part and spinal part
82
Where does the cranial part of CN XI originate from? the spinal part of CN XI?
the brainstem inside the skull the input of anterior rami of C1-4
83
What does the cranial part of CN XI innervate? spinal part of CN XI?
pharynges, laringes, esophagus, soft palate trapezius and SCM
84
What type of joint is the temporomandibular joint? What cartilage does its articulating surface have?
modified hinge joint fibrocartilage insead of hyaline
85
What is the temporomandibular joint equivalent to? Why?
sternoclavicular because they both have articulating surface covered by fibrocartilage
86
What are 2 joitns in temporomandibular joint? What happen in each disk?
upper disk: the disk glides along with temporal bone lower disk: the condyle of mandible rotate on the disk
87
What are the ligaments in temporomandibular joint?
temporomandibular lig (laterally) sphenomandibular lig (medial) stylomandibular lig (medial)
88
What is the nerve supply for TMJ ligaments? What is its root?
inferior alveolar N cranial N 5 - trigeminal N
89
What is the blood supply for TMJ ligaments?
inferior alveolar A - branch of maxillae artery
90
What are the muscles of mastication?
temporal masseter medial and lateral ptegyroid
91
OIAN of the temporal muscle?
temporal bone mandible elevation of mandible/ retrusion of mandible CN V3
92
OIAN of masseter?
mandible zygomatic arch elevation/ protrusion of mandible
93
What is the action of medial pterygoid? lateral pterygoid?
elevation/ protrusion of jaw strong protrusion of jaw
94
What is the only muscle that do the retrusion of jaw?
temporal
95
What muscles that elevate and protruse the mandible?
messeter and medial pterygoid
96
What is the only muscle of mastication that doesn't do elevation?
lateral pterygoid
97
What muscle is the main muscle to do protrusion?
lateral pterygoid
98
What cause the depression of jaw?
gravity
99
What happen when you first open your mouth? Open your mouth wider?
rotation of condyle of mandible on disk gliding of disk and mandible along temporal bone
100
Mechanism of muscles when lateral deviation?
the pterygoid protruse on lateral side and as they pull the jaw forward leads to contralateral spinning on mandibular condyle of contralateral rotation.
101
What is the blood supply for face?
Facial A Superficial temporal A
102
What is important about facial Veins?
It doesn't have valve which is a pathway of infection from face to your brain.
103
Muscular innervation of face? Cutaneous innervation?
cranial N VII cranial N V - trigeminal N

Gross Anatomy (28 decks)

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