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Anatomy > chapter 6 part 2 > Flashcards

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
Q

inferiror orbital fissure

A

opening for maxillary branch of the trigeminal nerve

26
Q

optic canal

A

openening for optic nerve

27
Q

nasal septum

A

volmer and perpendicular plate of the ethmoid

28
Q

ethmoid bone

A

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
Q

maxillary bone

A

inferior nasal conchae

30
Q

conchae

A

swirl air

31
Q

hyoid bone

A

-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
Q

hyoid projections

A

greater horn, lesser horn and body
-an accesory skull bone along with the audotory auscles

33
Q

22 skull bones

A

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
Q

baby skull

A

4 frontal areas and membranes where the sutures will form
-anterior fontanel= soft spot
-posterior fontanel
sphenoid fontanel
-mastoid fontanel

35
Q

baby skull pt 2

A

-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
Q

adults

A

have no frontal suture

37
Q

sagital suture baby

A

fuses around age 2

38
Q

vertabrae

A

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
Q

vertabrae functions

A

protects spinal cord, support skull, keep body upright

40
Q

cervical curve

A

develops when baby begins to life head

41
Q

thoracic curve

A

babies are born with it

42
Q

lumbar curve

A

develops when the baby starts walking

43
Q

sacral curve

A

born with it

44
Q

baby lack balance

A

no proper spinal curve and no muscle coordination

45
Q

atlas

A

first cervical vertabrae
-only one without a body

46
Q

axis

A

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
Q

scoliosis

A

abnormal lateral curve

48
Q

kyphosis

A

too much thoracic curve (old ppl)

49
Q

lordosis

A

too much anterior curve (gymnast)

50
Q

vertebral transverse foramen

A

holds the blood vessel that goes to the brain
-ONLY IN CERVICAL VERT

51
Q

vertebral foramen

A

in all vert for spinal cord

52
Q

thoracic vert

A

have inferior and transverse costal facet (where the ribs connect with the vertebrae)

53
Q

sacral foramen

A

where the spinal cord comes out

54
Q

ala

A

wing of the sacrum

55
Q

transverse lines

A

where the bones fused at 16

56
Q

apex

A

point of sacrum

57
Q

thoracis cage

A

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
Q

stermun

A

manubrium, body, xiphoid, jugular notch

59
Q

ribs

A

1-7 true (vertebrosternal)
8-12 false
-8-10 (vertebronchondral)
-11-12 vertebral/ floating (no anterior cartilage)

60
Q

cpr

A

hands on body of sternum bc xiphoid process can snap and puncture liver and bleed out and die

61
Q

xiphoid process

A

made of cartilage until the age of 20

Anatomy (29 decks)

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