Histo- Bone

Question 1

Osteoblasts are derived from these cells

Answer 1

Mesenchymal stem cells

Question 2

Osteoclasts are derived form these cells

Answer 2

Monocytes

Question 3

Functions of bone

Answer 3

Protection, Support, Mechanical basis for movement, Storage, Blood cell formation

Question 4

This type of bone is longer than it is wide

Answer 4

Long bone

Question 5

This type of bone is cube shaped

Answer 5

Short bone

Question 6

Type of bone found on the sternum or skull

Answer 6

Flat

Question 7

Classification of the hip bone or vertebral bones

Answer 7

Irregular

Question 8

Classification of bone that changes the pull of tendons

Answer 8

Sesamoid

Question 9

The outer portion of bone

Answer 9

Compact

Question 10

The part of bone that has trabeculae, found on the inside of bones

Answer 10

Spongy

Question 11

This separates the metaphysis and epiphysis

Answer 11

Growth plate

Question 12

This covers the outer surface of the bone.

Answer 12

Periosteum

Question 13

Where is periosteum not found?

Answer 13

Articular surfaces and tendon and ligament insertions

Question 14

The endosteum consists of cells that belong to this

Answer 14

Stroma of the marrow

Question 15

What is the endosteum cells derived from

Answer 15

Resting osteoblasts

Question 16

The shaft of the bone is called this

Answer 16

Diaphysis

Question 17

The center of the diaphysis is the

Answer 17

Marrow cavity

Question 18

Area of the bone between the epiphysis and diaphysis

Answer 18

Mataphysis

Question 19

These attach the periosteum to the bone

Answer 19

Sharpey’s fibers

Question 20

This covers every internal space of bone

Answer 20

Endosteum

Question 21

What is the role of Sharpey’s fibers

Answer 21

Transfer force of muscle to bone

Question 22

Osteoid portion of extracellular matrix of bone has this type of collagen

Answer 22

Type I

Question 23

Part of the osteoid portion of bone extracellular matrix that is vitamin K dependant and promotes the calcification of the ECM

Answer 23

Osteocalsin

Question 24

Inorganic part of bone ECM that makes bone hard

Answer 24

Hydroxyapatite

Question 25

These develop into osteoblasts

Answer 25

Osteogenic cells

Question 26

These form bone matrix

Answer 26

Osteoblasts

Question 27

These maintain bone tissue

Answer 27

Osteocytes

Question 28

These function in the resorption and breakdown of bone matrix

Answer 28

Osteoclasts

Question 29

These form gap junctions with nearby osteocytes to exchange nutrients

Answer 29

Osteocyte canaliculi

Question 30

Part of the osteoclast that sits in the resorption bay

Answer 30

Ruffled border

Question 31

Calcified cartilage stains this color

Answer 31

Pink (Basiophilic)

Question 32

Calcified bone stains this color

Answer 32

Blue (eosinophilic)

Question 33

Type of tissue that is temporary and has random arrangement

Answer 33

Primary or Woven Bone

Question 34

Highly organized type of tissue found in adults

Answer 34

Secondary or Lamellar bone

Question 35

Osteocytes sit in these structures

Answer 35

Lamellae

Question 36

The middle circle found in secondary or lamellar bone is called

Answer 36

Central or Haversian Canals

Question 37

This fills in the spaces between osteons

Answer 37

Interstitial lamella

Question 38

This circles around the entire periosteum

Answer 38

Outer circumferential lamellae

Question 39

This is found immediately around each osteon

Answer 39

Cement line

Question 40

Connecting channels between osteons

Answer 40

Volkmann’s canals

Question 41

Interstitial lamella is made from this

Answer 41

Old osteons

Question 42

This surrounds the red marrow space in spongy bone

Answer 42

Trabeculae

Question 43

Spongy bone does not have this, making it have no osteons

Answer 43

Haversian or central canal