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Anatomy Lab Terms E3 > Skull (complete) > Flashcards

Skull (complete) Flashcards

1
Q

calvaria

A

Bones that make up the brain case:

frontal, occipital, R&L parietal, R&L temporal, sphenoid, and ethmoid bones

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2
Q

frontal bone

A

Paired “forehead” bone

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3
Q

frontal sinus

A

Sinus spaces located in the frontal bone

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4
Q

parietal bone

A

Paired bone; forms the dorsolateral part of the calvaria

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5
Q

occipital bone

A

Forms the caudal wall of the calvaria

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6
Q

occipital condyle

A

Large condyles of the occipital bone; located on either side of the foramen magnum

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7
Q

foramen magnum

A

Ring which surrounds the spinal cord; hole in the bottom of the skull

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8
Q

temporal bone

A

Extends from the zygomatic arch to the occipital lobe; ventrolateral to the parietal bone

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9
Q

zygomatic process

A

Rostral part of the zygomatic arch

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10
Q

zygomatic arch

A

Includes the temporal process and the zygomatic process; forms the ventrolateral eye socket

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11
Q

petrosal part

A

Caudoventral portion of the temporal bone; incloses the inner ear; seen from the medial aspect of a sagittal section

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12
Q

tympanic bulla

A

Bulbous enlargement of the ventral portion of the temporal bone; encloses the middle ear

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13
Q

external acoustic meatus

A

Dorsolateral opening of the temporal bone; boney ear canal

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14
Q

cribriform plate

A

Part of the ethmoid bone which separates the nasal cavity from the calvaria; lacelike structure

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15
Q

incisive bone

A

Forms the rostral portion of the face; holds incisors; and forms the hard palate

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16
Q

nasal bone

A

Forms the bridge of the nose and roof of the nasal cavity

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17
Q

nasal cavity

A

Facial portion of the respiratory passages

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18
Q

nasal aperture

A

Formed by the nasal and incisive bones; opening to the nasal cavity

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19
Q

nasal septum

A

Separates the the nasal cavity vertically

20
Q

ventral nasal conchae

A

Several elaborate “scrolls” attached to the maxilla

21
Q

dorsal nasal conchae

A

Single “scroll” attached to the cribriform plate

22
Q

ethmoidal (conchae) labyrinth

A

Boney portion of the nasal conchae

23
Q

dorsal nasal meati

A

Space between the nasal bone and the dorsal nasal concha

24
Q

ventral nasal meati

A

Space around the ventral nasal conchae

25
Q

middle nasal meati

A

Small space between the dorsal and ventral nasal conchae

26
Q

common nasal meati

A

Space on either side of the nasal septum

27
Q

orbit

A

Cavity in the skull where the eyeball sits

28
Q

orbital ligament

A

Lateral margin of the orbit; connects zygomatic bone to zygomatic process of the frontal bone

29
Q

pterygopalatine fossa

A

Ventral to the orbit; blend of several bones; attachment point of the pterygoid muscles

30
Q

maxilla (maxillary bone)

A

Upper “jaw bone”

31
Q

maxillary recess (sinus)

A

Space between the the maxilla and ethmoid bones

32
Q

infraorbital canal (foramen)

A

Canal in the maxilla on the dorsal surface

33
Q

hard palate

A

Composed of several bones: palatine, maxillary, and incisive bones; “roof of the mouth”

34
Q

mandible

A

Lower portion of the “jaw bone”

35
Q

body of the mandible

A

Horizontal portion of the mandible; holds the teeth

36
Q

ramus of the mandible

A

Perpendicular to the body of the mandable; “neck” of the mandible

37
Q

mandibular foramen

A

Located on the medial side

38
Q

mandibular canal

A

Canal bounded by the mandibular foramen (medial) and three mental foramina (lateral)

39
Q

mandibular symphysis

A

Ligament which joins to both mandibles

40
Q

temporomandibular joint

A

Attachment of the condylar process of the mandible and the temporal bone

41
Q

hyoid apparatus

A

Serves as an attachment point for muscles which control the tongue and larynx

42
Q

incisor teeth

A

Most rostral teeth; contained in the incisive bone; 3 per side

43
Q

canine teeth

A

Large tooth caudal to the incisors

44
Q

premolar teeth

A

Located caudal to the canine tooth; four on both upper and lower jaws

45
Q

molar teeth

A

Just caudal to the premolars; two on the upper and 2-3 on the lower jaw

46
Q

alveolus of tooth

A

Cavity in the jaw where the teeth are located

Anatomy Lab Terms E3 (8 decks)

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