Skeletal System Flashcards

1
Q

Cervical vertebre

A

C1-c7

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2
Q

Thoracic

A

T1-t12

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3
Q

Lumbar

A

L1-l5

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4
Q

True ribs

A

1-7

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5
Q

False ribs

A

8-12

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6
Q

Floating ribs

A

11,12

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7
Q

Fibrous joint

A

Generally immovable in sutures

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8
Q

Cartilaginous

A

Immovable or slightly moveable

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9
Q

Synovial

A

Freely movable

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10
Q

Plane joins

A

Carpals and tarsals

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11
Q

Hinge joint

A

Elbow knee fingers and toes

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12
Q

Pivot joint

A

Elbows

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13
Q

Condyloid joint

A

Between the metacarpals and phalanges

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14
Q

Saddle joint

A

Thumb

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15
Q

Ball and socket joint

A

Shoulder and hips

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16
Q

Osteon

A

Unit of bone containing central canal &a matrix things

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17
Q

Central canal

A

Carries blood vessels and nerves

18
Q

Perforating canal

A

Perpendicular to central canal carries blood vessels and nerves

19
Q

Lacunae

A

Cavities containing bone cells “residence” of osteocytes

20
Q

Lamellae

A

Rings around the central canal

21
Q

Epiphysis

A

Site of spongy bone, site of hematopoiese in adults

22
Q

Diaphysis

A

Site of compact bone in adults, scientific name for bone shaft

23
Q

Red marrow

A

Site of hematopoieses

24
Q

Yellow marrow

A

Site of flat storage in adults

25
Q

Epiplyseal plate

A

Site on longitudinal growth in child

26
Q

Long bone

A

Humerus, radius
Metacarpal
Femur

27
Q

Short bone

A

Calcaneus

28
Q

Flat bone

A

Frontal
Mandible
Sternum

29
Q

Irregular

A

Vertebrae

Hip bones

30
Q

Parathyroid hormone

A

Is released When blood calcium level begins to drop below homeostatic levels causing calcium to release from bones

31
Q

Osteocytes

A

Maintain bone is viable state

32
Q

Atrophy

A

Such as that cause by paralysis or severe lack of exercise

33
Q

Stress/tension

A

Increased deposit of body matrix occur in

34
Q

Osteoblasts

A

Immature bone cells

35
Q

Calcitonin

A

Causes blood calcium to be deposited in bones as calcium salt

36
Q

Osteoclasts

A

Bone cells that liquefy bone matrix and release calcium to the bone

37
Q

Spinous process

A

Provides levers for the muscles to pull against

38
Q

Transverse process

A

Lever for muscles to pull against &I and articulation point for the ribs

39
Q

Intervertebral foramina

A

Openings allowing spinal nerves to pass

40
Q

Vertebral arch

A

Structure that encloses the nerve cord