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Biology 127 Lab > Bones You Need to Know: Axial Skeleton > Flashcards

Bones You Need to Know: Axial Skeleton Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Frontal Bone

A

Forehead to mid eye socket

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2
Q

Frontal bone-coronal suture

A

seperates front from parietals

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3
Q

Parietal Bones

A

bone behind the forehead that extends to the mid back of the skull

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4
Q

Parietal bones- sagittal suture

A

separates parietal bones from each other

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5
Q

Parietal bones- lambdoid suture

A

separates parietals from occipitals

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6
Q

Parietal bones squamous suture

A

separates parietals from squamous temporals

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7
Q

Temporal Bone

A

Large flat bone above the ear

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8
Q

Temporal Bone- zygomatic process

A

Froms posterior portion of zygomatic arch

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9
Q

Temporal bone- mandibular fossa

A

froms temporomandibular joint with mandibular condyle

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10
Q

Temporal bone- external acoustic meatus

A

external ear canal

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11
Q

Temporal bone-interal acoustic meatus

A

route of CN VII

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12
Q

Temporal bone- styloid process

A

connects the lesser horn of hyoid bone, tongue and neck muscles (pointy bone that sticks out from where the internal acoustic meatus would be.

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13
Q

Temporal bone-mastoid process

A

point of insertion of sternocleidomastoid

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14
Q

Occipital bone

A

Just below the Parietal bone

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15
Q

Occipital bone- foramen magnum

A

route of brainstem to spinal cord

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16
Q

Occipital bone- occipital condyles

A

“yes” joint between skull and atlas

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17
Q

Sphenoid bone

A

Just below frontal bone behind eye socket

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18
Q

Sphenoid bone- sella turcica

A

Protective recess of pituitary glad

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19
Q

Ethmoid bone

A

Deep to the lacrimal bone

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20
Q

Ethmoid bone- cribriform late

A

froms anterior cranial fossa with frontal bone

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21
Q

Ethmoid bone- crista galli

A

anchoring site for brain

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22
Q

Ethmoid bone- superior and middle nasal conchae

A

scroll-like bones of nasal passages

23
Q

Mandible

A

Jawbone

24
Q

Mandible- mandibular condyle

A

From temporomandibular joint with mandibular fossa

25
Q

Maxillae

A

Bone just above upper teeth the wraps almost up to the bridge of the nose

26
Q

Maxillae- hard palate

A

roof of the mouth (with ethmoid bone)

27
Q

Maxillae- palatine process

A

forms hard palate with horizontal plate of ethmoid

28
Q

Palatine bones

A

rear of hard palate

29
Q

Zygomatic bone

A

Inferior lateral part of eye socket

30
Q

Zygomatic bone- zygomatic arch

A

Area of origin of masseter muscle, with temporal bone

31
Q

Lacrimal Bones

A

Route of Tear duct from orbit to nasopharynx

32
Q

Nasal bones

A

Bridge of nose

33
Q

Vomer

A

Behind deep to the soft palate

34
Q

Inferior Nasal Conchae

A

Lateral and superficial to the vomer on both sides.

35
Q

Hyoid bone

A

Base of the tongue

36
Q

All vertebrae- body

A

main articulation with adjacent vertebrae; forms “floor” of vertebral canal, anterior to spinal cord

37
Q

All vertebrae- spinous process

A

origins of trapezius, latissimus dorsi, rhomboid muscles

38
Q

All vertebrae- transvese process

A

Artiulates w/ ribs; origins of several deep back muscles

39
Q

All vertebrae- verebral canal

A

comprises all the vertebral foramina to form the brainstem, spinal cord, and caudal equina

40
Q

All vertebrae- vertebral foramen

A

each vertebra’s contribution to the vertebral canal

41
Q

Cervical Vertebrae (c1-c7)- transverse foramina

A

route of verebral arteries

42
Q

Atlas (c1 only)- atlantoaxial joint

A

“no” joint between atlas and axis

43
Q

Atlas- atlantooccipital joint

A

“yes” joint between atlas and occipital condyles

44
Q

Axis (c2 only)- dens or odontoid process

A

forms part of “no” joint with atlas (pivot type joint)

45
Q

Thoracic Vertebrae

A

t1-t12

46
Q

Lumbar vertebrae

A

L1-L5

47
Q

Sacrum (S1-S5, fused)- Apex

A

Inferior aspect of sacrum; articulates with coccyx

48
Q

Sacrum- base

A

superior to aspect of sacrum, articulates with L5

49
Q

Sacrum- body

A

comprises fused bodies of sacral vertebrae

50
Q

Sternum-body

A

forms sternocostal joints with ribs

51
Q

Sternum- manubrium

A

forms sternocostal joint with first rib

52
Q

Sternum- ziphoid process

A

landmark for 5th interstal space

53
Q

Ribs

A

true ribs 1-7, false ribs 8-12, floating ribs 11 and 12

Biology 127 Lab (15 decks)

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