Bones

Question 1

Collagen of bones

Answer 1

1 3 5 9 13

Question 2

Non collagenous protein

Answer 2

Proteoglycan

Question 3

Glue between collagen and hydroxy apetite crystals

Answer 3

Osteonectin

Question 4

Mediate cell attachment and calcium phosphate formation

Answer 4

Sialoprotein 1 and 2

Question 5

Mediate attachment of cell to bone matrix

Answer 5

Osteopontin

Question 6

Also known as osteogenic protein

Answer 6

bMP 7

Question 7

Assist removal of cells undergoing apoptosis

Answer 7

Protein S

Question 8

Participates in development of vascular calcification

Answer 8

Matrix gla protein

Question 9

Mature bones

Answer 9

Lamellar bones

Question 10

Complex of concentric lamellae surrounding a small central canal

Answer 10

Harvesian system or osten

Question 11

Immature bones

Answer 11

Wooven bones

Question 12

Mineral component of bone

Answer 12

Calcium phosphate hydroxy apetite crystals

Question 13

Space occupy by osteocytes

Answer 13

Lacuna

Question 14

Composed of spongy bone covered by thin layer of compact bone

Answer 14

Epiphyses

Question 15

Highly vascular and frequentyly contain red bone marrow where hematopoiesis occur

Answer 15

Spongy bone

Question 16

Radiating through the lamellae which allow all cell to communicate with central canal

Answer 16

Canaliculi

Question 17

Zone consist of hyaline cartilage with typical chondrocytes

Answer 17

Resting zone

Question 18

Outer boundary pf each osteon with collagen rich fibers

Answer 18

Cement line

Question 19

Zone where first bone tissues appear

Answer 19

Ossification zone

Question 20

Connects central canal with each other

Answer 20

Volkmann canal

Question 21

Zone where chondrocytes begin to divide rapidly and form columns of stack cells

Answer 21

Proliferative zone

Question 22

Zone which contains swollen chodrocytes

Answer 22

Hyperthropic zone

Question 23

Zone with loss of chondrocytes

Answer 23

Calcified cartilage zone

Question 24

Process of bone formation

Answer 24

Osteogenesis

Question 25

Dense fibrous outer layer of collagen bundles and fibroblast

Answer 25

Periosteum

Question 26

Bone cells involved in maintaining bone mateix

Answer 26

Osteocytes

Question 27

Thin layer of connective tissue containing flattened osteoprogenitor cells and osteoblast

Answer 27

Endosteum

Question 28

Bone formation which forms directly from mesenchyme

Answer 28

Intramembranous ossification

Question 29

Flat and almond shaped bone cell

Answer 29

Osteocytes

Question 30

Bone formation within cartilage

Answer 30

Endochondral ossification

Question 31

Rising calcium levels triggers _____ to release ____

Answer 31

Thyroid and calcitonin

Question 32

Bone formation within membrane

Answer 32

Intramembranous ossification

Question 33

Multinucleated cells found at sites where bone is being removed

Answer 33

Osteoclast

Question 34

Promotes bone formation

Answer 34

Parathyroid hormone

Question 35

Deposit new lamellae of bone matrix on the walls of these tunnels resulting in the formation of new harvesian canal

Answer 35

Osteoblast

Question 36

Drill more or less circular tunnels within existing bone matrix

Answer 36

Osteoclast

Question 37

______ inhibits bone resorption and stimulates calcium salt deposit in bone

Answer 37

Calcitonin

Question 38

Falling blood calcium levels signal the ____ to release _____

Answer 38

Parathyroid gland and parathyroid hormone

Question 39

Signals osteoclast to degrade bone matrix

Answer 39

Parathyroid hormone