Week 2 Part 1 Flashcards

1
Q

Osteoclast

A

Cells that tear down old bones

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2
Q

Osteoblast

A

Cells that form a bone

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3
Q

Osteocytes

A

Mature bone cells are surrounded by a matrix

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4
Q

Skeletal system is

A

The frame that holds up the body

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5
Q

Different bones

A

Long bones
Short bones
Flat bones
Irregular bones

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6
Q

Flexion

A

Decreasing the angle of the joint

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7
Q

Extension

A

Opening the joint

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8
Q

Plantar Flexion

A

Bending downward

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9
Q

Dorsiflexion

A

Bending upward

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10
Q

Abduction

A

Moving the body part away from the midline

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11
Q

Adduction

A

Moving the body part back towards the midline

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12
Q

Inversion

A

Turning inward

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13
Q

Eversion

A

turns outward

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14
Q

Supination

A

face upward

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15
Q

Pronation

A

face downward

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16
Q

Rotation

A

When a bone spins on its axis

17
Q

Periosteum

A

Connective tissue that covers bone tissue

18
Q

Epiphysis

A

End of the bones

19
Q

Area inside the diaphysis is called

A

Medullary cavity that contains bone marrow

20
Q

Cartilage is

A

Firm and has a jelly-like matrix

21
Q

What is a joint and what holds it together

A

Where one bone meets another bone
Ligament

22
Q

Synovial joint

A

Move alot

23
Q

Cartilaginous joint

A

Little movement

24
Q

Fibrous joint

A

Do not move at all

25
Q

Trabeculae

A

Holes in the spongy bones

26
Q

How many pairs of true ribs are there

A

7

27
Q

How many pairs of false ribs

A

3

28
Q

How many pairs of floating ribs are there

A

2

29
Q

Attaching to each girdle is a long bone

A

Humerus in the arms
Femur in the legs

30
Q
A

Ulna

31
Q
A

Radius

32
Q
A

Tibia

33
Q
A

Fibula

34
Q
A

Carpals

35
Q
A

Tarsals

36
Q
A

Metacarples

37
Q
A

Metatarsals

38
Q
A

Phalanges