Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

S1 Anatomy > Skull and Cranium > Flashcards

Skull and Cranium Flashcards

1
Q 
cranial cavity (bony structure)
-function
A

protective coat for brain and branstem components of the CNS

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

what is directly inside the cranial cavity?

A

series of connective tissue layers termed mininges

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

function of meninges

A

protection and support for brain and brainstem
participate in the venous part of the vascular system for the brain
provide limits to various compartments to the brain and cranial cavity

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

important structures evident within the cranial cavity to serve to connect the brain with structures outside of the cranial cavity
-these structures must pass through

A

blood vessels
cranial nerves
must pass through meningeal layers and bones of cranium

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

bones of the skull

A 
frontal bone
parietal bones
temporal bones
sphenoid bone
occipital bone
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

frontal bone components

A

supraorbital ridge
-supraorbital foramen (notch)
coronal suture

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

coronal suture function

A

connects frontal bone to parietal bones

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

parietal bones components

A

sagittal suture
lambdoid suture
superior and inferior temporal lines

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

sagittal suture function

A

connects parietal bones

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

lambdoid suture function

A

connects parietal bones with occipital bone

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

temporal bones

-articulate with…

A

parietal
occipital
sphenoid
zygomatic

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

temporal bones parts

A

squamous part (flat part)
petromastoid part
tympanic part

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

petromastoid part of temporal bone

-components

A 
styloid process
-muscle attachment
mastoid process
-muscle attachment
-mastoid air cells
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

tympanic part of temporal bones components

A

external auditory (acoustic) meatus

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

temporal bones components

A

zygomatic process (part of zygomatic arch)
-mandibular fossa
pterion

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

pterion of temporal bone

  • articulation of…
  • when is it completely sealed off?
  • -implication
  • remnant of…
A 
articulation of
-frontal, parietal, sphenoid, and temporal bones (in temporal fossa)
never completely sealed off
-not necessarily the most stable
remnant of fibrous joint
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

sphenoid bone

  • used to be called the…
  • components
A

more structures on interior surface of skull
used to be called the pterygoid bone
-spheno- and pterygo- can be used interchangeably
components
-greater and lesser wings
-sphenoid sinuses
-medial and lateral pterygoid plates - infratemporal fossa

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

occipital bone components

A 
occipital condyles
superior and inferior nuchal lines
external occipital protuberance (inion)
foramen magnum
jugular foramen
hypoglossal foramen
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

foramen magnum is between which bones

A

occipital

temporal

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

bones of the face

A

nasal bones
maxilla bones
mandible
zygomatic bone

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

maxilla bones components

A 
intermaxillary suture - hard suture
maxillary sinus
zygomatic process
frontal process
infraorbital foramen (notch)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

mandible

-parts

A

body
ramus
coronoid process
condylar process

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

body of mandible components

A

mental foramen
alveolar processes
mylohyoid line

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

mylohyoid line

divides…

A

sublingual and submandibular fossa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
ramus of mandible components
lingula | mandibular foramen
26
zygomatic bone - articulates with... - component
``` articulates with -frontal -maxilla -sphenoid -temporal component -zygomatic arch ```
27
zygomatic arch is made up of...
zygomatic process of temporal bone | temporal process of zygomatic bone
28
orbit | -names of the walls
superior medial inferior lateral
29
superior wall components
orbital plate of frontal bone lesser wing of sphenoid bone optic canal
30
medial wall components
ethmoid bone frontal bone lacrimal bone sphenoid bone
31
inferior wall components
maxilla zygomatic bone orbital process of palatine bone inferior orbital fissure - maxillary nerve (CN V)
32
lateral wall components
frontal process of zygomatic bone greater wing of sphenoid bone superior orbital fissure - CN III, IV, V, VI
33
infratemporal fossa | -what can be seen in the roof
``` foramen ovale foramen spinosum (both can be seen in the sphenoid bone) ```
34
foramen ovale and foramen spinosum are continuous with...
foramen in middle cranial fossa
35
foramen rotundum (in infratemporal fossa) - what is it? - where does it exit?
opening in the floor of the middle cranial fossa exits at the rostral end of the infratemporal fossa as the inferior orbital fissure (no foramen rotundum in the roof of the infratemporal fossa)
36
borders of infratemporal fossa
``` ramus of mandible lateral pterygoid plate of sphenoid bone styloid process of temporal bone condylar process of mandible greater wing of sphenoid bone -foramen ovale, foramen rotundum ```
37
hard palate | -components
maxilla - palatine process | palatine bones
38
nasal septum | -made up of...
vomer | perpendicular plates of the ethmoid bone
39
perpendicular plate of ethmoid bone - location - this region is covered with...
extends inferiorly from the cribiform plate (part of ethmoid boen with holes) into the nasal cavity this region of nasal septum covered with epithelium containing the olfactory nerves (CN I) that go through the cribiform plate
40
nose components
``` nasal bones frontal processes of maxilla nasal processes of frontal bone ethmoid bone inferior nasal conchae vomer ```
41
ethmoid bone components
superior and middle nasal conchae
42
superior and middle nasal conchae - what are they - purpose
bone "bubbles" on the lateral side of the nasal cavity | each have a respective meatus (opening) beneath them that connects the sinuses with the nasal cavity
43
fossae of the interior surface of the skull
anterior cranial fossa middle cranial fossa posterior cranial fossa
44
anterior cranial fossa | -components
frontal bone -orbital portion of frontal bone (overlies orbit) ethmoid bone -cribiform plate -crista galli sphenoid bone -lesser wing of the sphenoid bone (caudal border of anterior cranial fossa)
45
crista galli function
attachment of falx cerebri
46
cribiform plate function
entrance of olfactory nerves
47
middle cranial fossa - components - important arteries
``` sphenoid bone -lesser and greater wing forming the rostral border and concavity of the middle cranial fossa temporal bone arteries -internal carotid -middle meningeal ```
48
``` sphenoid bone (in middle cranial fossa) -important structures ```
anterior clinoid process posterior clinoid process sella turcica foramina
49
anterior clinoid process - location - what is it?
rostral attachment | free edge of tentorium cerebelli
50
posterior clinoid process | -purpose
attachment of diaphragma sella dural sheath around the infundibular stalk pituitary gland
51
sella turcica - shape - function
saddle shaped | contains pituitary gland
52
foramina | -names
``` optic canal superior orbital fissure foramen rotundum foramen ovale foramen spinosum foramen lacerum ```
53
optic canal | -what nerve passes through it?
optic nerve (CNII)
54
superior orbital fissure | -what nerves pass through it?
oculomotor (CN III) trochlear (CN IV) ophthalmic division of trigeminal nerve (CN V1) abducens (CN VI)
55
foramen rotundum | -what nerve passes through it
maxillary division of trigenimal nerve (CN V2)
56
foramen ovale | -what nerve passes through it
mandibular division of trigeminal nerve (CN V3)
57
foramen spinosum | -what passes through it
middle meningeal artery
58
foramen lacerum | -function
nothing really, but lies under interal carotid artery
59
temporal bone (middle cranial fossa) parts
squamous and petrous parts | trigeminal impression
60
interal carotid artery | -loaction
enters on the base of the skull through the carotid canal that bends through the base of the temporal bone and then enters middle carnial fossa above foramen lacerum
61
middle meningeal artery | -location
embedded in dura, along temporal bone - pterion
62
posterior cranial fossa | -components
temporal bone | occipital bone
63
temporal bone (posterior cranial fossa) - which part - components
petrous part internal auditory meatus -facial nerve (CN VII_, vestibulococchlear (CN VIII) groove for superior petrosal sinus
64
occipital bone | -components
jugular foramen hypoglossal canal foramen magnum grooves for transverse, confluens, sigmoid sinuses
65
jugular foramen - what nerves pass through? - what else?
glossopharyngeal (CN IX) vagus (CN X) spinal accessory (CN XI) jugular bulb (sigmoid sinus emptying into the internal jugular vein)
66
hypoglossal canal | -what nerve passes through?
hypoglossal (CN XII)
67
foramen magnus | -continuation between...
brainstem and spinal cord

S1 Anatomy (31 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions