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Bone > Bone > Flashcards

Bone Flashcards

1
Q

Osteoclasts

A

Eat away at bone

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2
Q

Articular surface

A

The surface of bone where two bones meet to form joints

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3
Q

Nutrient foramina

A

A channel that allows things to pass through.

Looks like a hole and/or hairline fracture

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4
Q

Endochondral bone formation

A

Bone replaces cartilage

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5
Q

Diaphysis

A

Shaft of bone

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6
Q

Epiphysis

A

On the distal and proximal end of long bone

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7
Q

Epiphyseal plate

A

Located between the epiphysis and diaphysis

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8
Q

Keel

A

Bony ridge of the sternum of a bird that muscle is attached to

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9
Q

What does the pectoral girdle consist of (3 bones)

A

Coracoids
Scapulas
Clavicles

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10
Q

What are the 5 functions of bone?

A 
Support
Protect
Leverage
Storage( calcium and blood)
Blood cell formation
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11
Q

What are the 2 types of bone?

A

Cancellous

Compact

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12
Q

What is cancellous bone?

A

Light and spongy

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13
Q

What is compact bone?

A

Sense and heavy

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14
Q

What are the parts of a typical long bone

A 
Articular cartilage 
Cancellous bone
Epiphyseal plate 
Marrow cavity 
Periosteum 
Compact bone 
Endosteum
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15
Q

What is endosteum

A

Membrane that lines the hallow interior surfaces of bone

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16
Q

What are periosteum

A

Covers the outside of bone except on the articular surface

17
Q

Osteocyte

A

Bone cell

18
Q

Haversian canal

A
  • runs vertically

- contains blood vessels and nerves to supply and nourish osteocytes

19
Q

Osteon

A
  • units of bone

The cylinder thing the Haversian canal sits in

20
Q

Lamellae

A

The stuff that makes up the cylinder

21
Q

Volksmann canal

A
  • channels through bone matrix
  • horizontal
  • blood vessels in vc join with blood vessels in hc to get blood in bones
22
Q

Lacuna

A

Small cavity in matrix where cells are contained

23
Q

How does a fracture heal?

A

Osteoblasts activate to make bone around fracture. It’ll look like a callus. Osteoclasts eat down callus until bone is smoothie again

24
Q

What makes more bone

A

Osteblast

25
Q

What eats bone

A

Osteoclast

26
Q

Nutrient foramina

A

Channels in large bone

  • contain vessels and nerves
  • looks like tiny hole on the bone
27
Q

2 ways that bones are formed

A

Endochondral

Intermembranous

28
Q

Endochondral

A

Grows into and replaces cartilage

29
Q

Intramembranous

A

Developed from fibrous tissue membranes

Think why baby skull is soft

30
Q

4 bone shapes

A

Long
Short
Flat
Irregular

31
Q

4 types of synovial joints

A

Hinge (elbow)
Gliding (carpus, tarsus)
Pivot (head shaking no)
Ball and socket (hip, shoulder)

32
Q

3 types of joints

A

Fibrous
Cartilaginous
Synovial

Bone (1 decks)

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