Unit 7 - Histology of Bone

Question 1

Haversian canal

Answer 1

Central canal

Question 2

Volkmann’s canal

Answer 2

Perforating canal

Question 3

Lacunae

Answer 3

Osteocytes are inside

Question 4

Periosteum (superficial)

Answer 4

Dense, irregular collagenous connection tissue; rich in blood vessels

Question 5

Bone shapes

Answer 5

Long, short, flat, irregular

Question 6

Long bone shape

Answer 6

Femur

Question 7

Short bone

Answer 7

Carpals

Question 8

Flat bone

Answer 8

Clavicle, ribs

Question 9

Irregular

Answer 9

Vertebrae

Question 10

Bone structures

Answer 10

Diaphysis, epiphysis, articular surface

Question 11

Diaphysis

Answer 11

Shaft of long bone

Question 12

Epiphysis

Answer 12

Ends of long bone

Question 13

Articular surface

Answer 13

Cartilage

Question 14

Red bone marrow

Answer 14

All bloods cells originate here

Question 15

Yellow bone marrow

Answer 15

Adipose tissue/fat

Question 16

Cortical/compact bone (second layer)

Answer 16

Hard, dense, deep to periosteum

Question 17

Spongy/Cancellous Bone (final layer)

Answer 17

Consists of lattice-work type structure

Question 18

Perforating/Sharpey’s Fibers

Answer 18

Anchor periosteum to cortical bone

Question 19

Chemical composition of bone

Answer 19

Calcium hydroxyapatite,

Collagen

Question 20

Osteocytes

Answer 20

Osteoblasts

Osteoclasts

Question 21

Osteoblasts

Answer 21

Build bone, take calcium, collagen & repair bone

Question 22

Osteoclasts

Answer 22

Bone breaks, oc gets rid of calcium, collagen & degrade/destroy & put in blood stream

Question 23

Collagen

Answer 23

Organic component of bone

Question 24

Calcium

Answer 24

Inorganic component of bone

Question 25

Lamellae

Answer 25

Concentric rings of bone matrix