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anatomy > Bones and Joints of Neck and Head Pt. 2 > Flashcards

Bones and Joints of Neck and Head Pt. 2 Flashcards

1
Q

Cranial Base has what 2 parts of occipital bone PLUS what else

A

basilar + condylar

petrous part of temporal bone and sphenoid bone

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2
Q

Cranial base transmits what

A

neurovasculature to/from intracranial cavity

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3
Q

what neruovasculature does the cranial base transmit (6)

A 
foramen ovale
foramen spinosum
stylomastoid foramen
jugular foramen
carotid foramen/opening to caroid canal
foramen magnum
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4
Q

Endocranical Cavity- Anterior Cranial Fossa has what 4 parts

A

-Orbial plates of frontal bone
Cribiform plate of ethmoid
Crista galli of ethmoid (meminges)
Lesser wings and body of sphenoid

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5
Q

Middle Cranial Fossa has what 5 things

A
  • Greater and lesser wings
  • Sella tunica- body of sphenoid + pituitary gland
  • temporal bone
  • pariteal bone
  • foramina
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6
Q

Foramina of the middle cranial fossa has what 6 things

A
  • optic canal
  • superior orbital fissure
  • f. rotundum
  • f. ovale
  • f. spinosum
  • f. lacerum
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7
Q

Posterior Cranial Fossa has what 4 things

A
  • pestrous part of temporal bone
  • parietal bone
  • occipital bone
  • foramina
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8
Q

Foramina of posterior cranial fossa as what 3 things

A
  • interal acoustic meatus
  • jugular f.
  • hypoglossal canal
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9
Q

body of sphenoid is made up of

A

anterior and middle cranial fossae

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10
Q

body of sphenoid has what 4 things

A

optic groove, sella turcica, clinoid processes, and dorsum sallae

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11
Q

Clinoid processes ant vs post part

A
  • endocranial termination of carotid canal

- attachment for tentorium cerebelli (meninges)

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12
Q

Lesser wing of sphenoid has

A

optic canal

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13
Q

Greater wing of sphenoid has what 4 things?

A
  • superior orbital fissure
  • foramen rotundum
  • foramen ovale
  • foramen spinosum
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14
Q

pterygoid proccess

lateral vs. medial

A
  • attachment for medial and lateral pterygoid muscles

- makes pterygoid hamulus (hook) for the tendon of the tensor veli palatine .

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15
Q

4 parts of temporal bone

A
  1. squamous- part of cranial vault
  2. mastoid
  3. tympanic- external auditory meatus, middle ear
  4. Petrous portion
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16
Q

3 parts of petrous portion

A
  • inner ear
  • internal acoustic meatus
  • facial and carotid canals
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17
Q

3 parts of occipital bone

A
  1. squamous part- cranial vault and attachment for nuchal musculature
  2. lateral parts (exoccipital) (atlantas occipital joint)
    - condyles to articulate with the atlas (C1 Vertebra)
  3. Basilar part- basioccipital- cranial base
18
Q

Where is the sphenoid bone (greater wings)

A

behind eyes

19
Q

Temporal bone has what two things

A

Compact bone- inner and outer tables

and spongy dipole- in the middle

20
Q

Emissary veins are

A

external veins that drain through diploic veins to internal dursal sinuses

21
Q

Route of infection from scalp into cranial cavity (outside of skull to inside)

A

emissary veins

22
Q

Temporal bones are connected by

A

Sutures

23
Q

What are the 2 types of sutures that fibrous joints are connected by

A

sharpey’s fibers (collagen type 3)

Sutural Wormian bones- small irregular bones that develop within structures

24
Q

what are the 5 cranial sutures

A 
Coronal
Lambdoid
Metopic
Sagittal
Squamosal
25
Q

Between what
Coronal
Lambdoid
Metopic

A
  • frontal and parietal
  • occipital and parietal
  • frontal bones; fuses @ 9 months
26
Q

Between what
Sagittal
Squamosal

A
  • parietal bones

- temporal and parietal

27
Q

Fontanelles are

A

soft spots

28
Q 
Fontanelles- ages 
posterior
sphenoidal
mastoid
anterior
A
    1. months
  • 6 months
  • 18 months
  • 24 months
29
Q

Pterion is the junction of (4 things)

A

greater wing of sphenoid, squamous temporal, frontal and parietal bones

30
Q

what overlies anterior division of middle meningeal artery

A

Pterion

31
Q

What is the weak point and if hurt cause epidural hematomas

A

Pterion

32
Q

Point on calvaria at junction of lambdoid and ___

A

Lambda

Sagittal sutures

33
Q

Between coronal and sagittal sutures

A

Bregma

34
Q

Superior point of neruocranium

A

Vertex

35
Q

Vertex is in middle with ___ oriented in anatomical (___ or ___) plane

A

carnium

orbitometal or frankfort

36
Q

Star shaped

A

Asterion

37
Q

Asterion is between what 3

A

Parietomastoid
Occipitomastoid
Lambdoid

38
Q

Smooth

A

Glabella

39
Q

Mostly in males

A

Glabella

40
Q

Glabella is frontal bone superior to ___

Most anterior projecting part of ___

A

root of nose

forehead

41
Q

Most prominent point of external occipital protuberane

A

Inion

42
Q

The Point on cranium where ____ and ____sutures meet (what is it called)

A

frontonasal and internasal (nasion)

anatomy (3 decks)

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