Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy & Physiology > Axial Skeleton - Skull > Flashcards

Axial Skeleton - Skull Flashcards

0
Q

cranial fossae

A

anterior
middle
posterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

cranial vault/calvaria

A

forms superior, lateral, posterior walls of the skull

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

frontal bone

A

anterior portion of cranium; forms forehead, superior part of the orbit, and floor of anterior cranial fossa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

supraorbital foramen/notch

A

opening above each orbit allowing blood vessels and nerves to pass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

glabella

A

smooth area between the eyes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

parietal bone

A

posteriolateral to the frontal bone, forming sides of cranium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

sagittal suture

A

midline articulation point of the two parietal bones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

coronal structure

A

point of articulation of parietals with frontal bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

temporal bone

A

inferior to parietal bone on lateral skull. divided into 3 major parts: squamous part (borders parietals), tympanic part (surrounds external ear opening), petrous part (forms lateral portion of the skull base and contains mastoid process.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

temporal bone - squamous part

A

borders the parietals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

temporal bone - tympanic part

A

surrounds external ear opening

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

temporal bone - petrous part

A

forms lateral portion of skull base + mastoid process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

squamous suture

A

temporal - squamous part of temporal bone. point of articulation of the temporal bone with the parietal bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

zygomatic process

A

temporal - squamous part - projection joining zygomatic bone (cheekbone) anteriorly. together they form zygomatic arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

mandibular fossa

A

temporal - squamous part - rounded depression on the inferior surface of the zygomatic process (anterior to the ear); forms socket for condylar process of the mandible, where the mandible joins cranium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

external acoustic meatus

A

temporal - tympanic part marking - canal lading to eardrum and middle ear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

styloid process

A

temporal - tympanic part - projection inferior to external acoustic meatus; attachment point for neck muscles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

jugular foramen

A

temporal - petrous part - opening medial to styloid process thru which internal jugular vein and cranial nerves pass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

carotid canal

A

temporal - petrous part - opening medial to styloid process through which the internal carotid artery passes into the cranial cavity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

internal acoustic meatus

A

temporal - petrous part - opening on posterior aspect of temporal bone allowing passage of cranial nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

petrous part

A

temporal - help form middle and posterior cranial fossae, contains the Labyrinth (hearing/balance) and several foramina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

foramen lacerum

A

temporal - petrous part - jagged opening between petrous temporal bone and sphenoid process providing passage for a number of small nerves for the internal carotid artery to enter the middle cranial fossa (after passes thru temporal bone)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

stylomastoid foramen

A

temporal - petrous - tiny opening between mastoid and styloid processes through which a cranial nerve leaves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

mastoid process

A

temporal - petrous - rough projection inferior and posterior to external acoustic meatus; attachment site for muscles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

occipital

A

most posterior. joins sphenoid bone anteriorly via narrow basilar part

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

lambdoid suture

A

occipital - site of articulation of occipital bone and parietal bones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

foramen magnum

A

occipital - large opening in base of occipital, which allows spinal cord to join with brain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

occipital condyles

A

occipital - rounded projections lateral to the foramen magnum that articulate with first cervical vertebra (atlas)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

hypoglossal canal

A

occipital - opening medial and superior to the occipital condyle through which hypoglossal nerve passes

29
Q

external occipital crest and protuberance

A

occipital - midline prominences posterior to foramen magnum

30
Q

sphenoid bone

A

anterior plateau of middle cranial fossa across the width of the skull. sphenoid bone is keystone of cranium - articulates with all other cranial bones

31
Q

greater wings

A

sphenoid - portions of sphenoid seen exteriorly anterior to temporal and forming part of eye orbits

32
Q

pterygoid processes

A

sphenoid - inferiorly directed trough-shaped projections from the junction of the body and the greater wings

33
Q

superior orbital fissues

A

sphenoid - jagged openings in orbits providing nerve passage to serve eye

34
Q

sella turcica

A

sphenoid - saddle-shaped region in the sphenoid midline. seat = hypophyseal fossa

35
Q

hypophyseal fossa

A

sphenoid - seat of sella turcica, surrounds pituitary gland

36
Q

lesser wings

A

sphenoid - bat-shaped portions of the sphenoid anterior to the sella turcica

37
Q

optic canals

A

sphenoid - openings in the bases of the lesser wings through which the optic nerves enter to serve eyes

38
Q

foramen rotundum

A

sphenoid - opening lateral to the sella turcica providing passage for a branch of cranial nerve

39
Q

foramen ovale

A

sphenoid - opening posterior to sella turcica that allows passage of cranial nerve

40
Q

foramen spinosum

A

sphenoid - opening lateral to foramen ovale through which the middle meningeal artery passes

41
Q

ethmoid bone

A

irregularly shaped bone anterior to sphenoid. forms roof of nasal cavity, upper nasal septum, part of medial orbit walls

42
Q

crista galli

A

ethmoid - vertical projection providing a point of attachment for dura matter (secure brain in skull)

together with cribriform plates, form horizontal plate of ehtmoid bone

43
Q

cribriform plates

A

ethmoid - bony plates lateral to crista galli through which olfactory fibers pass to the brain from the nasal mucosa through the cribriform foramina

together with crista galli, forms horizontal plate of ethmoid bone

44
Q

perpendicular plate

A

ethmoid - inferior projection of the ethmoid that forms the superior part of the nasal septum

45
Q

lateral masses

A

ethmoid - irregularly shaped and thin-walled bony regions flanking the perpendicular plate laterally.

lateral walls - orbital plates - shape part of medial orbit wall

46
Q

superior and middle nasal conchae (turbinates)

A

ethmoid - thin, delicately coiled plates of bone extending medially from the lateral masses of the ethmoid into the nasal cavity. make air flow thru nasal cavity efficient + more SA

47
Q

facial bones

A 
mandible
maxillae
lacrimal bone
palatine bone
zygomatic bone
nasal bone
vomer
inferior nasal conchae/turbinates
48
Q

cranial bones

A 
parietal
frontal
temporal
occipital
sphenoid
ethmoid
49
Q

mandible

A

lower jawbone, articulates with temporal bones in only freely movable joints of the skull

50
Q

mandibular body

A

horizontal portion, forms chin

51
Q

mandibular ramus

A

vertical extension of the body on either side

52
Q

condylar process

A

mandible - articulation point of the mandible with the mandibular fossa of the temporal bone

53
Q

coronoid process

A

mandible - jutting anterior portion of the ramus; muscles attach

54
Q

mandibular angle

A

posterior point at which ramus meets the body

55
Q

mental foramen

A

mandible - prominent opening on the body (lateral to midline) that transmits the mental blood vessels and nerve to lower jaw

56
Q

mandibular foramen

A

prominent foramen on medial aspect of mandibular ramus. permits passage of nerve involved with tooth sensation

57
Q

alveolar process

A

mandible - superior margin of mandible; contains teeth sockets

58
Q

mandibular symphysis

A

anterior median depression indicating a point of mandibular fusion

59
Q

maxillae

A

two bones fused in median suture. form upper jawbone and part of the orbits all facial bones except mandible join maxillae - keystone facial bones

60
Q

alveolar process

A

inferior margin of maxillae/superior margin of mandible containing teeth sockets

61
Q

palatine processes

A

maxillae - form anterior hard plate; meet medially in intermaxillary suture

62
Q

infraorbital foramen

A

maxillae - opening under the orbit carrying the infraorbital nerves and blood vessels to the nasal region

63
Q

incisive fossa

A

maxillae - large bilateral opening located posterior to the central incisor tooth of the maxilla and piercing the hard palate.

64
Q

lacrimal bone

A

fingernail-sized bones forming a part of the medial orbit walls between the maxilla and ethmoid. pierced by lacrimal fossa

65
Q

lacrimal fossa

A

opening piercing lacrimal bone that serves as a passageway for tears

66
Q

palatine bone

A

paired bones posterior to the palatine processes; form posterior hard palate and part of the orbit; meet medially at median palatine suture

67
Q

zygomatic bone

A

lateral to the maxilla; cheekbone; forms part of lateral orbit. (3 processes named for bones w/which they articulate)

68
Q

nasal bone

A

small rectangular bones forming bridge of nose

69
Q

vomer

A

blade-shaped bone in medial plane of nasal cavity that forms posterior and inferior nasal septum

70
Q

inferior nasal conchae/turbines

A

thin curved bones protruding medially from the lateral walls of the nasal cavity; serve same purpose as the turbinate portions of the ethmoid bone

Anatomy & Physiology (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions