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Skull Landmarks and spaces > Landmarks > Flashcards

Landmarks Flashcards

1
Q

What 8 bones make up the skull?

A

front bone
parietal bones (2)
temporal bones (2)
occipital bone
sphenoid bone
ethmoid bone

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2
Q

What are the 5 main sutures of the skull?

A

sagital suture
lamboid suture
coronal suture
squamosal suture
pterion

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3
Q

Name the suture that connects the parietal bones

A

sagittal suture

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4
Q

name the suture that connects the parietal, temporal, occipital bones

A

lamboid suture

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5
Q

name the suture that connects the frontal and parietal bones

A

coronal suture

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6
Q

name the suture that connects the parietal, temporal, and sphenoid bones

A

squamosal suture

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7
Q

name the suture that is “H” shaped and unites the frontal, parietal, sphenoid and temporal bones. Where is it formed?

A

Pterion
formed in the temporal fossa

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8
Q

what are the 3 main cranial fossa that make up the internal base of the skull?
*this seperates the skull into 3 sections

A

anterior cranial fossa,
middle cranial fossa
posterior cranial fossa

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9
Q

___ cranial fossa’s posterior border is the lesser wing of the sphenoid bone.

A

anterior cranial fossa

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10
Q

____ cranial fossa’s posterior border is the petrous ridge of the temporal bone

A

middle

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11
Q

what cranial fossa is the foramen magnum a part of?

A

posterior cranial fossa

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12
Q

what bone makes up most of the upper part of the nasal cavity?

A

ethmoid bone

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13
Q

what are the 2 major part of the ethmoid bone?

A

crista galli (pointy part)
cribriform plate (spongy part)

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14
Q

what bone goes across the skull and connects it into one?

A

sphenoid bone

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15
Q

the greater and lesser wings are a part of what bone?

A

sphenoid bone

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16
Q

the hamulus is part of what bone landmark?

A

medial pterygoid plate

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17
Q

what process is part of the sphenoid bone ?

A

pterygoid process

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18
Q

what two processes are superficial/below the external auditory (acoustic) meatus?

A

mastoid process & styloid process

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19
Q

what are the 14 bones that make up the facial skeleton?

A

lacrimal bones (2)
nasal bones (2)
maxillae (2)
zygomatic bones (2)
mandible (1)
palatine bones (2)
inferior nasal conchae (2)
vomer (1)

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20
Q

what bone sits directly posterior to the maxilla inside the mouth? Top palate

A

palatine bones (2)

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21
Q

what two bones make up the top palate of the mouth?

A

maxilla (2) and palatine (2) bones

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22
Q

what is the name of the conchae within the nasal cavity?

A

inferior nasal conchae

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23
Q

what process holds the teeth ?

A

alveolar process

24
Q

what process helps make up the palate?

A

palatal process

25
Q

what process is between the nasal bone & lacrimal bone?

A

frontal process

26
Q

in palatine bone, the horizontal plate helps form what?
the vertical plate forms part of what wall in the nasal cavity?

A

horizontal - part of the palate
vertical - lateral wall of nasal cavity

27
Q

what cranial nerve goes thru of the cribriform plate?

A

CN 1 (olfactory)

28
Q

what is the name of CN 1 ?

A

olfactory nerve

29
Q

what cranial nerve goes thru the optic canal?

A

CN II (optic)

30
Q

what is the name of CN II

A

optic nerve

31
Q

what 4 cranial nerves go through the superior orbital fissure?

A

CN III (occulomotor)
CN IV (trochlear)
CN VI (Abducens)
V1 (ophthalmic branch of V)

32
Q

what is the name of the CN III / 3?

A

occulomotor

33
Q

what is the name of CN IV / 4?

A

Trochlear

34
Q

what is the name of CN VI / 6?

A

abducens

35
Q

what is the name of V1?

A

opthalmic branch of V

36
Q

what is the name of V2?

A

maxillary branch of V

37
Q

what is the name of V3

A

mandibular branch of V

38
Q

what is the name of CN VII / 7

A

facial

39
Q

what is the name of CN VIII / 8

A

vestibulocochlear

40
Q

what is the name of CN IX / 9

A

glossopharyngeal

41
Q

what is the name of CN X /10

A

vagus

42
Q

what is the name of CN XI / 11

A

spinal accessory

43
Q

what is the name of CN XII / 12

A

hypoglossal

44
Q

what cranial nerve goes thru the foramen rotundum?

A

V2 (maxillary branch of V)

45
Q

what cranial nerve is goes thru the foramen ovalae?

A

V3 (mandibular branch of V)

46
Q

what cranial nerves go thru the internal auditory (acoustic) meatus?

A

CN VII (facial)
CN VIII (vestibulocochlear)

47
Q

what cranial nerves (3) go thru the jugular foramen?

A

CN IX (glossopharyngeal)
CN X (vagus)
CN XI (spinal accessory)

48
Q

what cranial nerve goes thru the hypoglossal canal?

A

CN XII (hypoglossal)

49
Q

what cranial nerve goes thru the foramen magnum?

A

CN XI (spinal accessory)

50
Q

what 3 foramen are visible on the front of the face?

A

supraorbital foramen
infraorbital foramen
mental foramen

51
Q

what bone is anterior to the vomer Bone?
(think at the beginning or very front of nasal cavity)

A

anterior nasal spine

52
Q

what two bones make up the zygomatic arch?

A

zygomatic bone & temporal bone

53
Q

the pterygoid process is part of what bone?

A

sphenoid bone

54
Q

what are the 3 main parts of the pterygoid process?

A

plates (later and medial)
pterygoid hamulus
pterygoid fossa

55
Q

what foramen is part of the maxilla portion of the palate (inside mouth)

A

incisive foramen

Skull Landmarks and spaces (1 decks)

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