Brainscape's Knowledge GenomeTM

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


See full index

Anatomy/GIE 4 > Skull > Flashcards

Skull Flashcards

1
Q

Define Neurocranium + where is it derived from?

A
  • -the portion of the skull that surrounds the brain

- - derived from head mesoderm

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

Membranous neurocranium (i.e., calvarium) is formed from:

A

– forms by intramembranous ossification

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

Cartilaginous neurocranium (i.e., base of skull)– forms by

A

intracartilaginous ossification

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

Viscerocranium forms the and is derived from…

A
    • the portion of the skull that forms the bones of the face
    • derived from neural crest
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Membranous viscerocranium

A

(e.g., upper and lower jaw)–forms by intramembranous ossification

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

Cartilaginous viscerocranium

A

(e.g., hyoid bone, middle ear ossicles, persistent cartilages of the neck)forms by intracartilaginous ossificatio

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

Name the neurocranium bones:

A 
Frontal (unpaired) *
Ethmoid (unpaired)
Sphenoid (unpaired)
Occipital (unpaired)
Temporal (paired) *
Parietal (paired) *
Yellow * = Calvarium or skullcap
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Name the viscerocranium bones:

A 
Viscerocranium: 15 bones
Mandible (unpaired) Maxilla (paired)
Ethmoid (unpaired) Inferior nasal cocha (paired)
Vomer (unpaired) Zygomatic (paired)
Palatine (paired)
Nasal (paired)
Lacrimal (paired)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Name bones of the calvarium:
What type are they?
Describe the bones:
What do the inner surfaces of them form?

A

Frontal, Parietal (2), Occipital, Temporal (2)
• “Flat bones”– really cupped with concave and convex surfaces
• 2 “Tables”(“diploie”) – sheets of inner and outer compact bone separated by a layer of spongy bone
• Inner surfaces form anterior, middle (with sphenoid bone), and posterior cranial fossae

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

Describe the frontal bone

A

Two parts
• “Squamous part”forms the forehead of the calvarium
• Forms the floor of the anterior cranial fossa
(“orbital part”; the roof ofthe orbit).
• Contains a paranasal sinus(frontal sinus)

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

Review topographical features of the frontal bone:

A 
Glabella and Supraciliary ridge
Nasion (point of contact withnasal bones)
Pterion
Superior and inferior
temporal lines and
temporal fossa
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Vertex

A
  • superior-most part of the calvaria, along sagittal sutures
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Bregma

A
  • where sagittal and coronal sutures converge – anterior fontanelle
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Glabella

A

– at midline on frontal bone right btwn the eyebrows

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

Lambda

A

– where lambdoid and sagittal sutures converge – posterior fontanelle

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

Inion

A
  • external occipital protuberance, on occipital bone
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Asterion

A

– where lambdoid and temporal sutures converge

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

Nasion

A
  • where frontal contacts nasal bones
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Pterion

A
  • where frontal, parietal and temporal converge over the medial meningeal a.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Superior temporal line

A

– on calvarium (frontal and parietal specifically)

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

Inferior temporal line

A

– on calvarium (frontal and parietal specifically)

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

Supraciliary ridge

A

– eyebrow ridge

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

Pharyngeal tubercle

A

– just anterior to foramen magnum on occipital bone

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

External occipital protuberance

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

Styloid process

A

– attachment site of many muscles, temporal bone, looks like stylus

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

Mastoid process

A

– posterolateral to styloid process, temporal bone

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

Zygoma

A

– prominence of the cheek, from zygomatic and temporal bones

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

Sagittal suture

A

– separates parietal bones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Lambdoid suture

A
  • separates occipital from parietal bones
30
Q

Coronal sutur

A

e - separates frontal from parietal bones

31
Q

Name bones that form the Nasal cavity

A

– vomer, inferior nasal concha, palatine, lacrimal, ethmoid

32
Q

Name bones that form the Oral cavity

A

Oral cavity – mandible, maxilla, palatine, sphenoid?

33
Q

Name the neurocranial bones that contribute to the calvarium a

A

of frontal, parietal and temporal

34
Q

Name bones that contribute to the cranial base.

A

occipital, sphenoid, ethmoid and petrous portion of temporal

35
Q

Describe the Clivus

A

Clivus – where occipital and sphenoid meet just adjacent to foramen magnum

36
Q

Describe the parietal bone

A

• Flat bone with one part – the “squamous part”
• Forms the wall and roof of the
middle cranial fossa

37
Q

Describe the occipital Bone (maybe don’t need to know this, from lecture slide)

A 
• Forms most of the wall of the posterior cranial fossa
• Squamous part
• Occiput part
• Foramen magnum
• Clivus (together with
sphenoid bone)

Internal features:
• Hypoglossal foramen
• Jugular foramen separates occipital and temporal bones
• Internal occipital crest and protuberance
• Groove for the transverse venous sinus

Topographic features:

  • Pharyngeal tubercle
  • Hypoglossal foramen
  • Jugular foramen
  • Occipital condyle
  • Foramen magnum
  • External occipital crest (nuchal ligament attaches here)
  • Inferior nuchal line
  • Superior nuchal line
  • External occipital protuberance (inion)
38
Q

State which of the above topographic features corresponds to the following fontanelles of the neonatal skull.
anterior fontanelle

A

anterior fontanelle - bregma

39
Q

State which of the above topographic features corresponds to the following fontanelles of the neonatal skull.

posterior fontanelle

A

posterior fontanelle - lambda

40
Q

State which of the above topographic features corresponds to the following fontanelles of the neonatal skull.

mastoid fontanelle

A

mastoid fontanelle - asterion

41
Q

State which of the above topographic features corresponds to the following fontanelles of the neonatal skull.

sphenoidal fontanelle

A

sphenoidal fontanelle - pterion

42
Q

Describe what is meant by the term “paranasal sinus,”

A

Sinuses near nose and that connect in some way to it

43
Q

Name the 3 unpaired and 1 set of paired bones that contain these sinuses.

A

Frontal sinus – in frontal bone near superciliary ridge
Sphenoid sinus – housed by sella turcica
Ethmoidal air cells – space between orbital plates and nasal concha
Maxillary sinus – in maxilla in frontal area, paired

44
Q

Describe (in general terms) the following spaces within, and on the surface, of the skull.

State which spaces are paired, and which ones are unpaired.

Hypophysial fossa

A

– unpaired, the saddle part of sella turcica of sphenoid bone

45
Q

Describe (in general terms) the following spaces within, and on the surface, of the skull.
State which spaces are paired, and which ones are unpaired.

Anterior cranial fossae

A

Calcarium inner surfaces form anterior, middle (with sphenoid bone), and posterior cranial fossae

46
Q

Describe (in general terms) the following spaces within, and on the surface, of the skull.
State which spaces are paired, and which ones are unpaired.

Middle cranial fossae

A

Calcarium inner surfaces form anterior, middle (with sphenoid bone), and posterior cranial fossae

47
Q

Describe (in general terms) the following spaces within, and on the surface, of the skull.
State which spaces are paired, and which ones are unpaired.
Oral Cavity

A

– posterior to mouth, unpaired

48
Q

Describe (in general terms) the following spaces within, and on the surface, of the skull.
State which spaces are paired, and which ones are unpaired.
Posterior cranial fossa -

A

Calcarium inner surfaces form anterior, middle (with sphenoid bone), and posterior cranial fossae

49
Q

Describe (in general terms) the following spaces within, and on the surface, of the skull.
State which spaces are paired, and which ones are unpaired.
Orbits

A
  • contain eyeballs, paired
50
Q

Describe (in general terms) the following spaces within, and on the surface, of the skull.
State which spaces are paired, and which ones are unpaired.
Temporal fossae

A

– superior to zygomatic arch, paired

51
Q

Describe (in general terms) the following spaces within, and on the surface, of the skull.
State which spaces are paired, and which ones are unpaired.
Nasal cavities

A

– posterior to nose, paired

52
Q

Describe (in general terms) the following spaces within, and on the surface, of the skull.
State which spaces are paired, and which ones are unpaired.
Cranial vault

A
  • consists of the anterior, middle and posterior cranial fossae
53
Q

Describe (in general terms) the following spaces within, and on the surface, of the skull.
State which spaces are paired, and which ones are unpaired.

Infratemporal fossae

A

– inferior to zygomatic arch of temporal bone, paired

54
Q

Describe (in general terms) the following spaces within, and on the surface, of the skull.
State which spaces are paired, and which ones are unpaired.

Pterygopalatine fossae

A

– narrow space btwn palatine bones and sphenoid bone, paired

55
Q

State which bone (or bones) contain the following foramena, and state which foramena are paired and which ones are unpaired.
Superior orbital foramen

A

– frontal, paired

56
Q

State which bone (or bones) contain the following foramena, and state which foramena are paired and which ones are unpaired.

Optic canal

A

– sphenoid, paired

57
Q

State which bone (or bones) contain the following foramena, and state which foramena are paired and which ones are unpaired.

Foramen spinosum

A

– sphenoid, paired

58
Q

State which bone (or bones) contain the following foramena, and state which foramena are paired and which ones are unpaired.

Foramen rotundum

A

– sphenoid, paired

59
Q

State which bone (or bones) contain the following foramena, and state which foramena are paired and which ones are unpaired.

Foramen ovale

A

– sphenoid, paired

60
Q

State which bone (or bones) contain the following foramena, and state which foramena are paired and which ones are unpaired.

Foramen magnum

A

– occipital, unpaired

61
Q

State which bone (or bones) contain the following foramena, and state which foramena are paired and which ones are unpaired.

Foramen lacerum

A

– sphenoid, paired

62
Q

State which bone (or bones) contain the following foramena, and state which foramena are paired and which ones are unpaired.

Jugular foramen

A

– occipital, paired

63
Q

Describe the osteological features of the mandible.

A

• Mental protuberance on the external chin
• Mental spines on the internal chin
• Coronoid process
• Condylar process
(“head of the mandible”; articular process of
the TMJ)
• Ramus of the mandible
• Horizonal process (“body of the mandible”) holding
the alveolar processes of the lower teeth
• Angle of the mandible

64
Q

Describe the temporomandibular joint, as well as the movements of the jaw associated with this synovial joint.

A
  • Articular disc of the TMJ
  • The condylar head moves anteriorly as the jaw opens (under the control of the lateral pterygoid muscle)
  • Elevation (close mouth)–Temporal, masseter, medial pterygoid mm.
  • Depression (open mouth)–lateral pterygoid m.
  • Protrusion–Lateral pterygoid m. (masseter, medial pterygoid mm.)
  • Retrusion–Temporal, masseter mm.
  • Lateral movements–Temporal (on same side as movement), Pterygoids (on the opposite side as movement), masseter
65
Q

Name the ligaments that limit depression of the jaw.

A

• Two ligaments limit the opening of the jaw

  • Stylomandibular ligament
  • Sphenomandibular ligamen
66
Q

What traverse the superior orbital fissure?

A

III,VI,V1,VI, superior opthalmic vein and sympathetics

67
Q

What traverse the foramen rotundum?

A

V2

68
Q

What traverse the foramen ovale?

A

V3

69
Q

What traverse the foramen spinosum?

A

middle meningeal cessels

70
Q

What traverse the carotid groove?

A

internal carotid a.

Anatomy/GIE 4 (12 decks)

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