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chapter 6 part 2 Flashcards

1
Q

squamous part of temporal bone

A

flat bone of the skull

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2
Q

mastoid process

A

consists of the mastoid sinuses

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3
Q

styloid process

A

neck muscle attachment

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4
Q

external acoustic meatus

A

entrance into the ear canal

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5
Q

sella turcica

A

dorsum sellae, hypophyseal fossa (pituitary gland fossa), tuberculum sellae, anterior clinoid processes and posterior clinoid process

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6
Q

optic canals

A

openings for the optic nerves

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7
Q

perpendicular plate of the ethmoid

A

superior portion of the perpendicular plate of the ethmoid

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8
Q

crista galli

A

superior portion of the perpendicular plate of the ethmoid

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9
Q

cribriform plate

A

borders the crista galli

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10
Q

cribiform plate foramina

A

openings for the olfactory nervers

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11
Q

cranial fossa

A

anterior, middle and posterior cranial fossa

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12
Q

anterior cranial fossa

A

frontal and ethmoid bones

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13
Q

middle cranial fossa

A

extends from the internal nares to the petrous portions of the temporal bone
-consists of the sphenoid, temporal and parietal bones

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14
Q

posterior cranial fossa

A

extends from the petrous portion of the temporal bone to the posterior skull
-mainly just the occipital bone

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15
Q

maxillae

A

make up the upper jaw
-has a left and right
-has maxiallry sinuses and infra orbital foramen

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16
Q

infra-orbital foramen

A

openings for the maxillary nerve passing through the foramen rotundum

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17
Q

maxillae

A

anterior nasal spine, palatine process, and incisive foramen

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18
Q

palatine process

A

anterior palatine bone (roof of the mouth)

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19
Q

Incivise foramen

A

opening fo nerve and small arteries that innervate the palatal surface

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20
Q

mandible

A

makes up lower jaw
-head (mandibular condyle)
mandibular notch
-coronoid process
-ramus
-angle
-body (mental formaina and mental protuberance)

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21
Q

mandibular condyle (head)

A

articulates with thh mandibular fossa of the temporal bone

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22
Q

mental protuberance

A

bondy ridge on the anterior endge
-basically the chin

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23
Q

nasoocranial

A

tears

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24
Q

supperior orbital fissure

A

openeing for nerves oculomotor, trochlear, orbital tigeminal

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25
inferiror orbital fissure
opening for maxillary branch of the trigeminal nerve
26
optic canal
openening for optic nerve
27
nasal septum
volmer and perpendicular plate of the ethmoid
28
ethmoid bone
crista galli, superior and middle nasal conchae -perpendicular plate protrudes into the cranial cavity which forms the crista galli -protrudes through the notch of the ethmoid
29
maxillary bone
inferior nasal conchae
30
conchae
swirl air
31
hyoid bone
-in adults will break during strangulation -inferior portion connected to the thyroid ligament -superior portion suspended from the mandible through muscles (styloid and digastric muscles)
32
hyoid projections
greater horn, lesser horn and body -an accesory skull bone along with the audotory auscles
33
22 skull bones
maxillae (2), palatine (2), nasal (2), inferior nasal conchae (2), zygomatic (2), lacrimal bones (2), 1 volmer, 1 mandible and the cranial bones -cranial bones= occipital, parietal, frontal, temporal, sphenoid and ethmoid
34
baby skull
4 frontal areas and membranes where the sutures will form -anterior fontanel= soft spot -posterior fontanel sphenoid fontanel -mastoid fontanel
35
baby skull pt 2
-let baby skull get squished during birth -membrane areas are thick dura mater -can feel baby pulse at the anterior frontal bc blood vessels are in the fontanel
36
adults
have no frontal suture
37
sagital suture baby
fuses around age 2
38
vertabrae
26 bones -7 cervical -12 thoracic -5 lumbar -1 sacrum (5 fused together) -1 coccyx (3-5 fused together) sacrum and coccyx fuse at 16
39
vertabrae functions
protects spinal cord, support skull, keep body upright
40
cervical curve
develops when baby begins to life head
41
thoracic curve
babies are born with it
42
lumbar curve
develops when the baby starts walking
43
sacral curve
born with it
44
baby lack balance
no proper spinal curve and no muscle coordination
45
atlas
first cervical vertabrae -only one without a body
46
axis
2nd cervical bone (allows head to rotate) -has a dens (fractures during some whiplashes and cuts the spinal cord) -pivots on the dens of the axis
47
scoliosis
abnormal lateral curve
48
kyphosis
too much thoracic curve (old ppl)
49
lordosis
too much anterior curve (gymnast)
50
vertebral transverse foramen
holds the blood vessel that goes to the brain -ONLY IN CERVICAL VERT
51
vertebral foramen
in all vert for spinal cord
52
thoracic vert
have inferior and transverse costal facet (where the ribs connect with the vertebrae)
53
sacral foramen
where the spinal cord comes out
54
ala
wing of the sacrum
55
transverse lines
where the bones fused at 16
56
apex
point of sacrum
57
thoracis cage
protects lungs, thymus, etc -attachment site for muscles that do respiration, positioning for vertebral column and movement of pectoral girdle and upper limb (allows arm movement)
58
stermun
manubrium, body, xiphoid, jugular notch
59
ribs
1-7 true (vertebrosternal) 8-12 false -8-10 (vertebronchondral) -11-12 vertebral/ floating (no anterior cartilage)
60
cpr
hands on body of sternum bc xiphoid process can snap and puncture liver and bleed out and die
61
xiphoid process
made of cartilage until the age of 20

Anatomy (29 decks)

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