chapter 7 set 4
In bone fracture repair, a fibrocartilaginous callus is replaced with
Bony callus
Bone formation requires
Calcium Vitamin D Phosphate
The cells that produce the matrix of cartilage are called
Chondroblasts
Steps in interstitial growth of cartilage
Chondrocyte in lacuna undergoes mitosis Two cells occupy one lacuna Two cells in one lacuna begin to produce new matrix
Which is the following is true of hyaline cartilage
Contain chondroblasts Is avascular
Bone remodeling begins during
Embryologic development
A thin line of compact bone in the epiphysis of a mature bone is called
Epiphyseal line
Growth from within cartilage is called
Interstitial growth
Which statement characterized lamellar bone
It becomes compact bone of flat bones It becomes spongy bones of flat bones It is also called secondary bone It replaces trabeculae of woven bone
Which statements characterize periosteum
It functions to anchor blood vessels to the surface of bones It is composed of dense irregular connective tissue It covers the outer surface of the diaphysis of a long bone It helps to heal bone fracture
What statements characterize endosteum
It is active during bone repair It contains osteoclasts It lines medullary cavities It contains osteoblasts
Another term for bone tissue is
Osseous tissue
Are large phagocytic cells found in bone
Osteoclasts
A fracture occurs in bone that has been weakened by disease
Pathologic
The mineral called ____is stored by the bone and is needed for ATP utilization among other things
Phosphate
A fracture at the distal end of the fibula and malleolus of the tibia is specifically called
Pott fracture
Osteoprogenitor cells are
Produce a cell that becomes an osteoblast Are stems cells
Steps in order to summarize appositional growth of cartilage
Stem cell in the perichondrium undergo mitosis Committed cells become chondroblasts New matrix is produced at the periphery of the cartilage
Which statements characterize concentric lamella of osteons
Their numbers vary among osteons They contain collagen fibers They are rings of bone tissue
Which is an example of irregular bone
Vertebrae