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Flashcards in Module 2 Deck (50):
1

Is bone an organ?

Yes

2

Bones allow for 4 things:

Movement
Support
Protection
Storage

3

The shape of a bone is directed by its _____

Function

4

Bony prominences create attachment points for what

Muscles, tendons, ligaments

5

Bony grooves and holes allow for the passage of what

Blood vessels and nerves

6

How many bones are in the adult human skeleton

206

7

What are the 5 categories of bones

Long Bones
Short Bones
Flat Bones
Irregular bones
Sesamoid Bone

8

Long bones consist of 3 parts. What are they?

Diaphysis
Metaphsis
Epiphysis

9

Hollow, tubular shaft of bone

Diaphysis

10

Widened end of the bone

Metaphysis

11

End of the bone covered in cartilage

Epiphysis

12

Bone that is longer than wide

Long bones

13

Bones that are just as wide as long

Short Bones

14

Bones that are not rounded in cross section

Flat bones

15

Skull, sternum, pelvis are examples of what type of bone

Flat bones

16

Bones in the wrist and ankle are examples of what type of bone

Short bone

17

An example of an irregular bone

Vertebrae of Spine

18

These bones have a complex shape that is neither round nor flat

Irregular

19

These bones are completely surrounded by tendon

Sesamoid bones

20

The patella and small bones in the hands in feet are examples of this type of bone

Sesamoid bone

21

Dense compact bone most often found on bones responsible for load bearing

Cortical bone

22

Less dense, lattice-like bone that is more vascular and may contain bone marrow

Cancellous bone

23

Cortical bone is arranged in what units?

Osteons aka haversian systems

24

Consist of concentric layers of bone or lamellae arranged around a central haversian canal

Osteons

25

Bone cells

Osteocytes

26

Channels that run perpendicular to the haversian canals allows blood vessels to travel from the outside of the bone to the center

Volkmann's canals

27

The haversian canal contains ____ and ____

blood vessels and nerves

28

What is interspersed between the concentric layers of cortical bone

Osteocytes

29

When bone is first created it is laid down in an irregular fashion known as ___ ____

Woven bone

30

The hallmark of mature bone

Lamellae

31

Woven bone is remodeled to become ___ bone

Lamellar

32

Cancellous bone consists of interconnected bands of tissue called _____

trabeculae

33

Primarily cancellous bone tissue contains more irregularly arranged _____

Lamellae

34

Another term for cancellous bone

Trabecular bone

35

Bone is a combination of organic and inorganic components

True

36

The organic components of bone are living tissues created in the body

True

37

The inorganic materials in bone are minerals that are deposited into bone

True

38

Bone is ___% inorganic and ___% organic

70% inorganic and 30% organic

39

The inorganic components of bone consist of 95% _____ and 5% ____, ____, ___, ___, and other minerals

Hydroxyapatite (HA)...... magnesium, sodium, potassium, fluoride

40

The organic components of bone consist of ___% collagen, __% non-collagenous proteins, and __% cells

93% collagen
5% non-collagenous proteins, 2% cells

41

Hydroxyapatite is a mineral compound composed of ____, ____, and _____ ions

Calcium, phosphate, and hydroxyl ions

42

Besides calcium and phosphorous, what minerals are stored in bone?

Magnesium, sodium, potassium, and fluoride

43

Collagen is a ____

Protein

44

The body's primary structural material

Collagen

45

The main component of bone, cartilage, ligaments, tendons, and teeth

Collagen

46

Collagen has great _____ strength

Tensile

47

Primarily signaling molecules that cells use to communicate with each other

Non-collagenous proteins

48

Help to initiate and direct bone growth and repar

Non-collagenous proteins

49

Family of proteins that have been found to regulate bone growth

BMP

50

Non-BMP non-collagenous proteins

Insulin-like GF (IGF)
Transforming Growth Factor (TGF-B)

Platelet-dervied growth factor (PDGF)
Fibroblast growth factor (FGF)