Compact Bone

Question 1

COMPACT:

Answer 1

DENSE, WHITE, SMOOTH BONE THAT MAKES UP 80% OF OUR SKELETAL SYSTEM.

Question 2

What are the regions of long bones?

Answer 2

Diaphysis, metaphysis, medullary cavity, epiphyseal plate/line; periosteum, and endosteum

Question 3

Diaphysis:

Answer 3

ELONGATED, CYLINDRICAL PART OF A LONG BONE (BETWEEN TWO ENDS); THE SHAFT OF A LONG BONE

Question 4

Metaphysis:

Answer 4

BETWEEN EPIPHYSIS AND DIAPHYSIS; IN ADULTS

Question 5

Epiphysis:

Answer 5

KNOBBY REGION AT THE ENDS OF LONG BONE

Question 6

Medullary cavity:

Answer 6

INSIDE OF DIAPHYSIS; CONTAINS YELLOW BONE MARROW IN ADULTS AND RED IN CHILDREN

Question 7

Epiphyseal plate/line:

Answer 7

REMNANT OF EPIPHYSEAL PLATE THAT REMAINS WHEN LONG BONE GROWTH CEASES; THIN, DEFINED AREA OF COMPACT BONE

Question 8

Periosteum:

Answer 8

TOUGH OUTER LAYER THAT PROTECTS BONE; DOUBLE LAYERED

Question 9

Endosteum:

Answer 9

LAYER COVERING INSIDE OF BONE

Question 10

4 types of cell in bone tissue:

Answer 10

Osteoblasts, osteoclasts, osteocyte, and osteoprogenitor

Question 11

OSTEOPROGENITOR:

Answer 11

COMES FROM MESENCHYMAL TISSUE; DEVELOP INTO OSTEOBLASTS

Question 12

OSTEOCLASTS:

Answer 12

COME FROM BONE MARROW CELLS; MULTINUCLEATED; PHAGOCYTIC

Question 13

OSTEOBLASTS:

Answer 13

SYNTHESIZE AND SECRETE OSTEOID

Question 14

OSTEOCYTE:

Answer 14

COME FROM OSTEOBLASTS; MATURE BONE CELLS; MAINTAIN BONE MATRIX; DETECT MECHANICAL STRESS ON BONE

Question 15

Osteon:

Answer 15

SMALL CYLINDRICAL STRUCTURES THAT MAKE UP MATURE COMPACT BONE

Question 16

Central canal:

Answer 16

CYLINDRICAL CHANNEL IN CENTER OF OSTEONS; BLOOD VESSELS AND NERVES ARE HERE

Question 17

Perforating canal:

Answer 17

CONTAIN BLOOD VESSELS AND NERVES; RUN PERPENDICULAR TO CENTRAL CANALS; CONNECT CENTRAL CANALS WITHIN DIFFERENT OSTEONS TO MAKE A CHANNEL FOR A VASCULAR AND INNERVATION CONNECTION

Question 18

Lamella:

Answer 18

RINGS OF BONE TISSUE THAT SURROUND THE CENTRAL CANAL AND FORM THE BULK OF THE OSTEON

Question 19

Canaliculi:

Answer 19

INTERCONNECTING CHANNEL WITHIN BONE TISSUE THAT EXTEND FROM EACH LACUNA, THRU THE LAMELLAE, AND CONNECT TO OTHER LACUNAE AND THE CENTRAL CANAL.