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Lesson 1 Axial Skeleton > Skull > Flashcards

Skull Flashcards

1
Q

Frontal Bone

A

major bone of the forhead

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2
Q

Superciliary Arch

A

the ridge above the eye socket

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3
Q

Glabella

A

the smooth triangular part of the frontal bone (Where a unibrow would be)

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4
Q

Frontal Sinus

A

Cavity within the frontal bone

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5
Q

Parietal Bone

A

large paired bone located in the superior portion of the skull

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6
Q

Coronal Suture

A

Runs laterally joining frontal and parietal bones (joint)

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7
Q

Sagittal Suture

A

Runs anterioposteriorally joining the two parietal bones

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8
Q

Temporal bone

A

paired bone located on the lateral sides of the skull

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9
Q

squamous suture

A

runs anteroposteriorly joining the temporal and parietal bones

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10
Q

Mandibular Fossa

A

Articulates with the condylar process of the mandible (Where mandible connects)

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11
Q

Temporomandibular Joint

A

Articulation of the mandibular fossa and the condylar process of the mandible

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12
Q

external auditory meatus (canal)

A

ear hole

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13
Q

Petrous Part

A

dense bony ridge on interior surface of temporal bone, location of middle and inner ear cavities (teturs on the petrus)

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14
Q

Internal auditory meatus (canal)

A

short canal in petrous part of temporal bone extending laterally towards the inner ear

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15
Q

styloid process

A

long sharp process of the temporal bone extending inferiorly

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16
Q

Mastoid Process

A

round process of the temporal bone posterior to the styloid process and extending inferiorly

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17
Q

Stylomastoid Foramen

A

Located between the styloid and mastoid processes, passage for facial nerve

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18
Q

Carotid Canal

A

located on petrous part of the temporal bone anterior to the jugular foramen

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19
Q

Jugular Foramen

A

Located on inferior petrous part of the temporal bone posterior to the carotid canal

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20
Q

zygomatic process

A

arch of bone extending anteriorly from the temporal bone

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21
Q

Zygomatic Bone

A

Paired bone which participates with the zygomatic process (Cheek Bone)

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22
Q

Temporal Process

A

arch of bone extending posteriorly from the zygomatic bone

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23
Q

zygomatic arch

A

formed by union of the zygomatic bone and zygomatic processes of the temporal bone

24
Q

occipital bone

A

most posterior and inferior bone of the skull

25
Q

labdoid suture

A

runs transversely joining the occipital and parietal bones

26
Q

external occipital protuberance

A

median protrusion on the occipital bone posterior and superior to foramen magnum

27
Q

superior nuchal line

A

runs horizontally from external occipital protuberance

28
Q

lateral superior nuchal line

A

diagonal extension of the superior nugal line towards the mastoid process (after curve)

29
Q

foramen magnum

A

large opening on the inferior part of the skull (where the spinal chord passes through)

30
Q

occipital condyle

A

paired rounded process lateral to the foramen magnum

31
Q

hypoglossal canal

A

paired canal superior to occipital condyle

32
Q

basilar part

A

region of the occipital bone aterior to foramen magnum

33
Q

sphenoid bone

A

butterfly-shaped bone forming the floor of the cranium

34
Q

greater wing

A

posterior and inferior to lesser wing on interior of the skull

35
Q

lesser wing

A

anterior and superior to greater wing on the interior of the skull (Manta Ray Looking)

36
Q

superior orbital fissure

A

fissure between greater and lesser wings of sphenoid visible from the orbits

37
Q

inferior orbital fissure

A

fissure in the orbit floor between maxilla and greater wing of sphenoid

38
Q

sella turcica

A

saddle-like depression posterior to lesser wing (space in manta ray)

39
Q

sphenoid(al) sinus

A

cavity in sphenoid, inferior to the sella turcica

40
Q

optic canal

A

paired opening through lesser wing of the sphenoid

41
Q

foramen spinosum

A

paired opening at the posterior margin of the sphenoid

42
Q

foramen ovale

A

paired opening lateral to the base of the sella turcica

43
Q

foramen lacerum

A

paired opening lateral to the sella turcica

44
Q

foramen rotundum

A

paired oping anterior to the foramen ovale

45
Q

lateral pterygoid plate

A

sharp process that laterally and inferiorly projects from the sphenoid

46
Q

medial pterygoid plate

A

sharp process that medially and inferiorly projects from the sphenoid

47
Q

sutural bone

A

irregular bone within a cranial suture

48
Q

ethmoid bone

A

located between orbits and between sphenoid and nasal bones, forms roof of nasal cavity, side of the orbits

49
Q

crista galli

A

superior projection in the middle of the cribriform plate of the ethmoid bone

50
Q

cribriform plate

A

porous bone surrounding the crista galli in the floor of the cranium through which olfactory nerves pass

51
Q

ethmoid(al) sinus / ethmoid(al) air cells

A

numerous cavities within the ethmoid bone

52
Q

perpendicular plate

A

median inferior projection of the ethmoid; forms superior nasal septum

53
Q

vomer

A

bone forming the inferior and posterior portion of the nasal septum

54
Q

choanae

A

paired internal openings of the nasal cavity; on either side of the vomer

55
Q

inferior nasal concha

A

bone that protrudes into the inferior part of the nasal cavity; also known as the inferior turbinate bone

Lesson 1 Axial Skeleton (1 decks)

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