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Anatomy > W4 anatomy of human skull > Flashcards

W4 anatomy of human skull Flashcards

1
Q

what’s the role of the neurocranium

A

protect the brain

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2
Q

what is the splanchnocranium

A

framework of the face and cavities for sense organs

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3
Q

what 2 parts make up the cranium

A

neurocranium splanchocranium

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4
Q

how many cranial bones are there

A

8

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5
Q

how many and where are the parietal bones

A

2 and on the left and right side of skull

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6
Q

where is the frontal bone found

A

anterior part of skull

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7
Q

where is the occipital bone found

A

posterior part of skull

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8
Q

how many facial bones are there

A

11

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9
Q

where do cranial nerves pass through

A

foramina of skull

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10
Q

what are the 4 pneumatic bones in the skull

A

maxillary
frontal
sphenoid
ethmoid

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11
Q

what are the 4 paranasal sinuses

A

frontal
sphenoid
ethmoid
maxillary

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12
Q

what is the role of fontanelle

A

allow growth and flexibility of skull

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13
Q

which parts of the skull are in the anterior cranial fossa

A

frontal
sphenoid
ethmoid

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14
Q

which parts of the skull are in the middle cranial fossa

A

sphenoid
parietal
temporal

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15
Q

which parts of the skull are in the posterior cranial fossa

A

sphenoid
parietal
temporal
occipital

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16
Q

where does olfactory nerve (1) run through

A

olfactory bulb to cribriform plate to nasal cavity

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17
Q

where does optic nerve (2) run through

A

transverses optic canal to orbital

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18
Q

which nerves pass through superior orbital fissure

A
  • oculomotor
  • trochlear
  • abducens
  • ophthalmic branch of trigeminal nerve
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19
Q

what does the trigeminal nerve split branch into

A

ophthalmic
maxillary
mandibular

20
Q

where does the maxillary branch of trigeminal nerve leave through

A

foramen rotundum

21
Q

where do facial (7) and vestibulocochlear (8) nerve enter

A

internal acoustic meatus

22
Q

where does facial nerve leave from

A

stylomastoid foramen

23
Q

which nerves leave through jugular foramen

A

Glossopharyngeal (IX) Vagus (X)
spinal accessory nerves (XI)

24
Q

where does hypoglossal nerve leave from

A

hypoglossal canal

25
Q

which foramen does the spinal cord pass through

A

foramen magnum

26
Q

what is the role of the sphenoid bone

A

formation of the base and sides of the skull

27
Q

what is the orbits of the skull

A

holes where the eye sockets are

28
Q

which bone is the optic canal found in

A

sphenoid bone

29
Q

where are the temporal bones of the skull

A

sides of the skull at the base

30
Q

what is the mandible bone in the skull

A

jawbone

31
Q

what are the 7 bones that make up the orbit bone

A

frontal
zygomatic
maxilla
lacrimal
palatine
ethmoid
sphenoid

32
Q

where are the maxilla and palatine bones found

A

roof of the mouth

33
Q

what are the 4 human teeths

A

incisors
molars
pre-molars
canines

34
Q

what are the 6 parts of the the tooth

A

crown
root
enamel
dentin
pulp
cementum

35
Q

what is the role of enamel on a tooth

A

protect teeth from bacteria

36
Q

what is the role of dentin on a tooth

A

protect teeth from heat and cold

37
Q

how many teeth do human adults have

A

32

38
Q

how many incisors are there

A

8

39
Q

how many canines are there

A

4

40
Q

how many premolars are there

A

8

41
Q

how many molars are there

A

12

42
Q

which 2 cranial bones are teeth embedded to

A

maxillary and mandibular

43
Q

what are deciduous teeth

A

baby teeth

44
Q

which bones join at the pterion

A

frontal
perietal
sphenoid
temporal

45
Q

where do subdural haematoma occur

A

accumulation of blood in the space between dura and arachnoid meninges

46
Q

where do epidural haematoma occur

A

accumulation of blood between surface of skull and endosteal layer of dura

47
Q

where does SAH occur

A

between the subarachnoid space

Anatomy (11 decks)

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