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head and neck Finals > Bones Of The Head (cranial & facial) > Flashcards

Bones Of The Head (cranial & facial) Flashcards

1
Q

large membranous and unossified gaps between the bones of the skull, in the fetus and newborn

A

Fontanelles

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2
Q

The cranium serves to

A

Enclose brain

Provide attachment sites for some head and neck muscles

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3
Q

Cranium is divided into

A

cranial vault

base

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4
Q

The skull contains smaller cavities

A

Middle and inner ear cavities
Nasal cavity
Orbits
Air-filled sinuses

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5
Q

Paired cranial bones

A

Parietal

Temporal

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6
Q

Unpaired cranial bones

A

Frontal
Occipital
Sphenoid
Ethmoid

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7
Q

Forms superciliary arches

A

Frontal bones

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8
Q

Internally, it contributes to the anterior cranial fossa

A

Frontal bones

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9
Q

Articulates posteriorly with the parietal bones via the coronal suture

A

Frontal bones

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10
Q

Major markings of the frontal bones

A
  • supraorbital margins
  • anterior cranial fossa
  • frontal sinuses (internal and lateral to the glabella)
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11
Q

Form most of the superior and lateral aspects of the skull

A

Parietal bones

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12
Q

Four sutures mark the articulations of the parietal bones

A

Coronal
Squamous
Sagittal
Lambdoid

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13
Q

located where parietal bones meet the frontal bone

A

Coronal suture

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14
Q

where each parietal bone meets a temporal bone inferiorly

A

Squamous suture

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15
Q

where right and left parietal bones meet superiorly

A

Sagittal suture

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16
Q

where the parietal bones meet the occipital bone posteriorly

A

Lambdoid suture

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17
Q

Forms the posterior portion of the cranium and cranial base

A

Occipital bone

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18
Q

Articulates with the temporal bones and parietal bones

A

Occipital bone

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19
Q

Forms the posterior cranial fossa;

Foramen magnum located at its base

A

Occipital bone

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20
Q

These structures pass thru the foramen magnum

A

 Brainstem
 CN XI
 Vertebral Arteries
 Meninges

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21
Q

CN XII passes here

A

Hypoglossal canal

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22
Q

features and structures of the occipital bone

A 
Occipital condyles
Hypoglossal canal
External occipital protuberance
Superior nuchal lines
Inferior nuchal lines
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23
Q

Lie inferior to parietal bones; Lie inferior to parietal bones

A

Temporal bones

24
Q

Specific regions of temporal bone

A

squamous
temporal
petrous
mastoid

25
Q

CNs VII &VIII

A

Internal auditory meatus

26
Q

Major markings of the temporal bones

A 
zygomatic process
styloid process
mastoid process
mandibular fossa
middle cranial fossa
internal auditory meatus 
 external auditory meatus
27
Q

Spans the width of the middle cranial fossa

A

Sphenoid bone

28
Q

Forms the central wedge that articulates with all other cranial bones

A

Sphenoid bone

29
Q

The sphenoid bone consists of

A
  • central body
  • greater wings
  • lesser wings
  • pterygoid processes
30
Q

Major markings of the sphenoid bone

A
  • sella turcica
  • hypophyseal fossa
  • pterygoid processes
31
Q

Major openings of the sphenoid bone

A

superior orbital fissure - CNs III, IV, V1, VI & Ophthalmic Veins
foramina rotundum - CN V2
foramina ovale - CN V3
foramina spinosum - Middle Meningeal Artery
optic canal - CN II

32
Q

CNs III, IV, V1, VI & Ophthalmic Veins

A

Superior orbital fissure

33
Q

CN V2

A

foramina rotundum

34
Q

CN V3

A

foramina ovale

35
Q

Middle meningeal artery

A

foramina spinosum

36
Q

CN II

A

optic canal

37
Q

Deepest of the skull bones; Lies between nasal and sphenoid

bones

A

Ethmoid bone

38
Q

Forms most of the medial bony region between the nasal cavity and orbits; olfactory foramina

A

Ethmoid bone

39
Q

CN I

A

Olfactory foramina

40
Q

Major markings of the ethmoid bone

A
  • cribriform plate
  • crista galli
  • perpendicular plate
  • nasal conchae
  • ethmoid sinuses
41
Q

Unpaired facial bones

A

vomer

mandible

42
Q

Paired facial bones

A 
maxillae
zygomatics
nasals
lacrimals
palatines
inferior conchae
43
Q

the largest and strongest facial bone

A

Mandible

44
Q

Two main parts of the mandible

A

Horizontal body

Two upright rami

45
Q

2 groups:

A
  1. Cranial bones

2. Facial bones

90
Q

Major markings of the mandible

A

coronoid process
mandibular condyle
alveolar margin
mandibular foramina
mental foramina

91
Q

Medially fused bones that make up the upper jaw and the central
portion of the facial skeleton

A

Maxillary bones

92
Q

Articulate with all other facial bones except the mandible

A

Maxillary bones

93
Q

largest paranasal sinuses

A

maxillary sinuses

94
Q

Forms part of the inferior orbital fissure

A

Maxillary bone

95
Q

Major markings of the maxillary bones

A
  • palatine process
  • frontal process
  • zygomatic processes
  • alveolar margins
  • inferior orbital fissure
  • maxillary sinuses
96
Q

Irregularly shaped bones that form the prominences of the cheeks and the inferolateral margins of the orbits

A

Zygomatic bones

97
Q

thin medially fused bones that form the bridge of the nose

A

Nasal bones

98
Q

contribute to the medial walls of the orbit and contain a deep groove called the lacrimal fossa that houses the lacrimal sac

A

lacrimal bones

99
Q

two bone plates that form portions of the hard palate, the posterolateral walls of the nasal cavity, and a small part of the orbits

A

Palatine bones

100
Q

forms the inferior part of the nasal septum

A

vomer

101
Q

Thin, curved bones that project medially to form the lateral walls of the nasal cavity

A

inferior nasal conchae

head and neck Finals (15 decks)

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