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Anatomy II > Exam 3: Skull lecture i > Flashcards

Exam 3: Skull lecture i Flashcards

1
Q

cranium (skull): the skeleton of the head; includes _ (3)

A
  1. neurocranium
  2. calvaria
  3. viscerocranium
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2
Q

neurocranium: bony case of the _ formed from _ bones

A

brain; 8 bones (frontal, ethmoid, sphenoid, occipital, temporal (2), and parietal (2))

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3
Q

calvaria: aka _ and _ of neurocranium

A

skullcap; roof of neurocranium

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4
Q

viscerocranium: _ skeleton formed from _ bones

A

facial skeleton ; 15 bones (mandible, ethmoid, vomer, maxilla (2), inferior nasal concha (2), zygomatic (2), palatine (2), nasal bone (2), and lacrimal bone (2))

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5
Q

most skull bones are united by interlocking joints called _, which are essentially _ in adults

A

sutures, immovable in adults

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6
Q

suture structural classification

A

fibrous

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7
Q

only the mandible, united to the rest of the skull by a _ joint, is capable of _ movement

A

synovial joint; independent movement

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8
Q

skull bones also provide proximal attachment points for the muscles of _ and for the strong muscles of _ that attach distally on the mandible

A

facial expression; mastication

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9
Q

what are sutural (Wormian) bones

A

“extra”s bones that occur w/in sutures

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10
Q

craniometric points: points on a skull that are used radiographically in medicine and on dry skulls in physical anthropology to make: _ measurements, describe _, and document _

A

cranial measurements, describe the topography of the skull, and document variations

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11
Q

in the anatomical position, the inferior margin of the orbit and superior margin of the external acoustic meatus lie in the same _ plane, the _ plane

A

horizontal plane the Frankfort horizontal plane (orbitomeatal plane)

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12
Q

temporal fossa: a slight depression that houses _

A

the temporalis muscle and other structures

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13
Q

frontal bone: metopic suture: remnant of the fetal _ btwn the _ bones

A

remnant of the fetal frontal suture btwn the 2 fetal frontal bones

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14
Q

frontal bone: orbit/orbital cavity: skull socket containing the _; formed by the _ bone and several other bones

A

the eye and its appendages; frontal bone

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15
Q

t/f: frontal bone has squamous and orbital parts

A

true

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16
Q

frontal bone: nasion: intersection of _ sutures

A

intersection of frontonasal sutures and internasal suture

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17
Q

the nasion is a _ point

A

craniometric point

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18
Q

bone feats of frontal bone: supra-orbital margin: boundary btwn _ and _ parts

A

squamous and orbital parts

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19
Q

bone feats of frontal bone: supra-orbital foramen (notch): allows passage of _ and vessels

A

supraorbital nerve and vessels

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20
Q

bone feats of frontal bone: glabella: smooth area btwn _

A

tops of orbits in the center of the bone

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21
Q

bone feats of frontal bone: superciliary arch: bony ridge just superior to _ extending _ from glabella

A

superior to supra-orbital margin; laterally from glabella

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22
Q

nasal bones: inferior nasal conchae: found on the _ walls of each nasal cavity; protrude _ the cavity

A

lateral walls; protrude into

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23
Q

nasal bones: parts of the ethmoid and vomer bones form the _ the bony part of a wall dividing the nasal cavity in rt and lt parts

A

bony nasal septum

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24
Q

bone feats of zygomatic bone: the _ foramen

A

zygomaticofacial foramen

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25
Q

bone feats of zygomatic bone: the temporal process of zygomatic joins the temporal bone to the _

A

zygomatic arch

26
Q

bone feats of zygomatic bone: frontal process of zygomatic articulates with

A

frontal bone

27
Q

maxilla: forms _

A

upper jaw

28
Q

bone feats of maxilla: alveolar process (or maxilla) includes the tooth sockets for the

A

maxillary teeth

29
Q

bone feats of maxilla: infra-orbital foramen: for passage of the _ and vessels

A

infra-orbital nerve

30
Q

bone feats of maxilla: intermaxillary suture: unites _

A

rt and lt maxillae

31
Q

mandible: lower _; supports the _

A

lower jaw; supports the mandibular teeth

32
Q

mandible: consists of:

A

an inferior body and 2 rami

33
Q

bone feats of mandible: angle: _ point of ramus

A

posteroinferior

34
Q

bone feats of mandible: mental foramen: passage of _ and vessels

A

mental nerve

35
Q

bone feats of mandible: mandibular symphysis: where the halves of the _ fuse

A

infantile mandible

36
Q

bone feats of mandible: mental protuberance: _ inferior to mandibular symphysis

A

elevation

37
Q

bone feats of mandible: condyloid process: forms _ joint w/ _ bone

A

synovial joint w/ temporal bone

38
Q

bone feats of mandible: coronoid process: for _ attachment

A

muscle

39
Q

t/f: temporal bone has several parts: squamous, petrous, etc

A

true

40
Q

bone feats of temporal bone: mastoid process: for _ attachment

A

muscle

41
Q

bone feats of temporal bone: _ process (of temporal)

A

styloid process

42
Q

bone feats of temporal bone: zygomatic process of temporal: articulates with _ of zygomatic bone

A

temporal process

43
Q

pterion: a _ point

A

craniometric point

44
Q

pterion: _-shaped formation of sutures where frontal, parietal, sphenoid, and squamous part of _ bones meet

A

H-shaped; temporal bones

45
Q

occipital bone: has several parts, including a _ part

A

squamous

46
Q

bone feats of occipital bone: _ protuberance

A

external occipital protuberance

47
Q

bone feats of occipital bone: superior nuchal line: extends _ from each side of the external protuberance

A

laterally

48
Q

lambdoid suture: separates _ and _ bones from occipital bone

A

parietal and temporal bones

49
Q

inion: a _ point; the tip of the _

A

craniometric point; tip of the external protuberance

50
Q

lambda: a _ point; jxn of _ and _ sutures

A

craniometric point; lambdoid suture and sagittal suture

51
Q

bone feat of parietal bone: parietal (emissary) foramen: not always present; sometimes paired; emissary foramina transmit veins that connect _ veins to the venous sinuses of the _

A

scalp veins to the venous sinuses of the dura mater

52
Q

coronal suture: joint btwn _ and _ bones

A

frontal and parietal bones

53
Q

sagittal suture: joint btwn _ and _ bones

A

rt and lt parietal bones

54
Q

bregma: a _ point; intersection of _ and _ sutures

A

craniometric point; coronal and sagittal sutures

55
Q

vertex: a _ point; the most superior point of the _

A

craniometric point; neurocranium

56
Q

bone feats of palatine bones: horizontal plates (of palatines): together w/ palatine processes of maxillae form the _

A

hard palate

57
Q

bone feats of palatine bones: greater and lesser palatine _

A

foramina

58
Q

bone feats of palatine bones: choana: 2 large openings separated by the _

A

vomer

59
Q

incisive fossa/foramen (of maxilla): passage for

A

nasopalatine nerves

60
Q

vomer bone: midline (unpaired) bone that forms part of the

A

bony nasal septum

61
Q

sphenoid bone: unpaired bone that consists of

A

a body and 3 pairs of processes

62
Q

bone feats of temporal bone: opening of _

A

external acoustic meatus

Anatomy II (28 decks)

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