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Anatomy > 7 Skeletal System (Lecture) > Flashcards

7 Skeletal System (Lecture) Flashcards

1
Q

Bones store 2 types of calcium

A

Calcium phosphate (hard) and calcium carbonate (soft)

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2
Q

bone marrow makes…

A

RBC & WBC

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3
Q

The diaphysis of the bone is

A

the shaft

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4
Q

The epiphysis of the bone is

A

rounded ends with articular surface

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5
Q

The medullary canal of the bone is

A

the center

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6
Q

*What type of bone is hard

A

cortical

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7
Q

*What is an osteoid

A

non-mineralized bone - catilage

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8
Q

*What is the thin covering over a bone that contains nerves

A

periosteum

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9
Q

***XXX Laminar lamella

A

flat curved outside of bone

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10
Q

*What do you call a system of rings of bone around a vessel

A

Osteon

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11
Q

*Chambers that hold a bone cell

A

lucuna

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12
Q

***XXX microscopic cracks in lamella

A

Canalliculi

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13
Q

*partially digested osteon

A

interstitial lamella

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14
Q

*perforating canals (horizontal on bone model)

A

Volkmans canals

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15
Q

*circular osteonic canals (vertical on bone model)

A

Haversian canals

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16
Q

Cancellous bone is

A

spongy

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17
Q

between bone and marrow

A

endosteum

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18
Q

rods of bone covered by endosteum

A

trabeculae

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19
Q

Bone marrow has red parts and yellow parts

A

Red are WBC & RBC yellow is Adipose

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20
Q

Osteoprogenitor

A

stem cell that makes bone

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21
Q

***XXX Osteoblasts

A

Bone making

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22
Q

***XXX Osteoclasts

A

Bone dissolving

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23
Q

Osteocytes

A

Mature bone cells

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24
Q

*Appositional growth

A

makes bone thicker

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25
Q

*Interstitial growth

A

lengthens bones

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26
Q

***XXX In the Epiphyseal growth plates the non-dividing catilage cells are

A

the Resting Zone

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27
Q

*In the Epiphyseal growth plates the growth zone is

A

cartilage cells begin to divide rapidly any place where a bone grows (growth plate)

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28
Q

*In the Epiphyseal growth plates transformation zone is

A

catilage cells begin to die

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29
Q

*In the Epiphyseal growth plates osteogenic zone is

A

osteoblasts migrate to empty spaces

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30
Q

***XXX Epiphyseal lines are

A

dormant growth plates

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31
Q
  • Nutrient arteries
A

enter from outside the bone marrow. enter through an opening called the nutrient foramen

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32
Q

*Periosteal arteries

A

never enter a bone

33
Q

***XXX Metaphyseal Arteries

A

supply a growth plate

34
Q
  • Epiphyseal ateries
A

joints supplied with blood

35
Q

***XXX Axial skeleton includes

A

Head Spine Ribs

36
Q

Neurocranial bones are

A

bones that protect the brain

37
Q

Bones of the neurocrainium 8 total

A

1 ethmoid bone,1 frontal bone, 1 occipital bone,
2 parietal bones, 1 sphenoid bone,
2 temporal bones

38
Q

Which bone of the neurocranium has a Zygomatic process, styloid process, mastoid process, and an external acoustic canal.

A

Temporal bone

39
Q

Which bone of the neurocrainium has a foramen magnum, & occipital condyles

A

Occipital bone

40
Q

What do the occipital condyles do

A

they articulate with the spine

41
Q

Which bone of the neurocrainium has a sinus and a fossa for the pituitary

A

Spenoid

42
Q

Which bone of the neurocrainium contains the cribriform plate, the olfactory foramina, crista gali, and the perpendicualr plate

A

Ethmoid bone

43
Q

Bones that make up the Viscerocranium (Facial bones)

A

Lacrimal bones, Mandible, Maxilla, Nasal bones, Palatine bones, Vomer,
Zygomatic bones

44
Q

Which bones of the Viscerocranium make up the orbital complex.

A

Frontal, Maxilla, Zygomatic, Lacrimal, Ethmoid, Sphenoid, Palatine.

45
Q

What is the vertical part of the mandible called?

A

Mandibular Ramus

46
Q

Which part of the mandible articulates with the maxilla

A

Mandibular condyles

47
Q

***XXX Where is the coronoid process of the mandible

A

just anterior to the mandibular condyles

48
Q

What do you call the horizontal part of the mandible that holds teeth

A

Mandibular body

49
Q

What do you call the point of the chin

A

Mentum of mandible

50
Q

Where is the nasion suture

A

between nasal bone and fronal bone

51
Q

Where is the pterion suture

A

between sphenoidal and parietal bones

52
Q

Paranasal sinuses are air filled and come in pairs they are

A

Frontal, Maxillary, Ethmoid, and Sphenoid

53
Q

26 Vertebral bones

A

Atlas, Axis, 5 cervical, 12 thoracic, 5 Lumbar, Sacrum, Coccyx

54
Q

How many vertebra are in the cervical spine

A

7

55
Q

How many vertebra are in the thoracic spine

A

12

56
Q

How many vertebra are in the Lumbar spine

A

5

57
Q

What movements are the cervical vertebra capable of

A

Flexing and rotating

58
Q

What movements are the throacic vertebra capable of

A

Rotating, NO Flexing

59
Q

What movements are the lumbar vertebra capable of

A

Flexing, NO Rotating

60
Q

When does a person acquire the primary curvatures of the spine

A

born with

61
Q

When does a person acquire the secondary curvatures of the spine

A

Cervical when baby holds head up. Lumbar when baby sits.

62
Q

What are the primary curves of the spine?

A

Thoracic and sacral

63
Q

What are the secondary curves of the spine?

A

Cervical and Lumbar

64
Q

Which piece of the spine marks the center of gravity of a human being

A

Sacral prominatory of the sacrum

65
Q

Appendicular Skeleton includes

A

shoulder pelvis arms and legs

66
Q

What bones make up the pectoral girdle

A

clavicle and scapula

67
Q

Which part of the humerus is a distal lateral round knob that aticulates with the radius

A

Capitulum

68
Q

Which part of the humerus is a distal medial hour glass shaped that articulates with the ulna

A

Trochlea

69
Q

Which part of the humerus is a distal and posterior fossa that holds the elbow when you extend your arm

A

Olecranon fossa

70
Q

What notch is below the illium and above the ischial spine

A

Greater Sciatic notch

71
Q

What notch is just below the greater sciatic notch

A

Lesser Sciatic notch

72
Q

What bone of the foot bears all the weight

A

Talus

73
Q

What is another name for the Calcaneal Tendon

A

Achilles tendon

74
Q

what type of joint does not move

A

synthroses skull

75
Q

what type of joint only moves a small amount

A

Amphiarthroses spine

76
Q

what type of joint is freely moveable

A

Diathroses knee

77
Q

What type of joint had protien fibers knit two bones together

A

Fibrous (suture) skull

78
Q

What type of joint has large amounts of cartilage

A

Cartilagenous Spine discs

79
Q

What type of joint is filled with fluid

A

Synovial knee

Anatomy (30 decks)

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