8Skeletal System

Question 1

Dense, hard type of bone

Answer 1

Compact bone

Question 2

Bony plates found in spongy bone

Answer 2

Trabeculae

Question 3

Band of hyaline cartilage at ends of the long bone; longitudinal bone growth occurs here; called growth plate

Answer 3

Epiphyseal disk

Question 4

Tough outer connective tissue covering the diaphysis of a long bone

Answer 4

Periosteum

Question 5

Hollow center of the shaft of a bone

Answer 5

Medullary cavity

Question 6

Found on the outer surface of the epiphysis

Answer 6

Articular cartilage

Question 7

Microscopic unit of compact bone; also called an osteon

Answer 7

Haversian system

Question 8

A mature bone cell

Answer 8

Osteocyte

Question 9

Inner lining of the medullary cavity of a long bone

Answer 9

Endosteum

Question 10

The shaft of a long bone

Answer 10

Diaphysis

Question 11

Site of blood cell formation

Answer 11

Bone marrow

Question 12

Eroding activity of this cell remodels and expands the medullary cavity; responsible for bone resorption; stimulated by parathyroid horomone

Answer 12

Osteoclast

Question 13

Bone building cell

Answer 13

Osteoblast

Question 14

Cancellous bone; has a “swiss cheese” appearance

Answer 14

Spongy bone

Question 15

Decline in bone making activity and the loss of bone tissue

Answer 15

Osteoporosis

Question 16

“S” curve

Answer 16

Scoliosis

Question 17

Exaggerated thoracic curve (hunch back)

Answer 17

Kyphosis

Question 18

Exaggerated lumbar curve

Answer 18

Lordosis