Cartilage & bone

Question 1

what are the 3 main components to cartilage

Answer 1

ground substance, fibres and cells.

Question 2

what 2 cell types are found in cartilage

Answer 2

chondroblasts (synthesis&secrete) and chondrocytes (maintain)

Question 3

what fibres are found in cartilage

Answer 3

elastin and collagen fibres

Question 4

what is the ground substance made up of in cartilage

Answer 4

chrondroitin sulphates - functions to provide resistance to compression

Question 5

name the 3 types of cartilage

Answer 5

hyaline, elastic and fibrocartilage

Question 6

where is elastic cartilage found

Answer 6

outer ear/ epiglottis

Question 7

what dominates in the fibrocartilage

Answer 7

irregular dense collagen fibres

Question 8

where is fibrocartilage found

Answer 8

pads lie between spinal vertebrae

Question 9

what is the most common type of cartilage found

Answer 9

hyaline

Question 10

what type of cartilage had abundant ground substance

Answer 10

hyaline

Question 11

what type of cartilage has abundant elastin fibres

Answer 11

elastic cartilage

Question 12

what two confirmation is bone tissue arranged into

Answer 12

compact (cortical) bone and song (trabecular) bone

Question 13

what are the 4 cells found in bone tissue

Answer 13

osteogenic/osteoprogenitor cell
Osteoblast
Osteocyte
Osteoclast

Question 14

what is the function of the osteoblast

Answer 14

synthesis and secrete bone tissue (osteoid)
gives rise to osteocyte

Question 15

function of osteocytes

Answer 15

maintain mineralised bone tissue

Question 16

osteoclast function

Answer 16

phagocytic cells.
- resorbs bone

Question 17

what is the central canal in bone

Answer 17

contains network of blood vessels, nerves, lymphatic vessel.
run longitudinally through entire length of bone

Question 18

what is lamellae

Answer 18

layers of bone tissue (both compact and spongy bone arranged in layers)

Question 19

what is a disorder or bone and cartilage? (related to dentistry)

Answer 19

periodontitis

Question 20

what is periodontitis

Answer 20

inflammatory disease
destruction of alveolar bone and subsequent tooth loss

Question 21

Osteomalacia - rickets in children

Question 22

What physiological process drives osteoclastogenesis in conditions such as periodontitis and rheumatoid arthritis?

Answer 22

inflammation

Question 23

associated dental abnormalities with disorders of bone and cartilage

Answer 23

enamel hyperplasia and delayed tooth eruption