Osteocytes
Structure of the Compact Bone
Osteoclasts
Structure of the Spongy Bone
Osteoblasts
100
What type of bone cell is osteocytes?
Mature
100
Compact bone is made up of what?
Osteons
100
What are osteoclasts responsible for?
Bone Resorption
100
True or False
Does spongy bone contain a central canal?
False
100
What type of bone cell is osteoblast?
Immature
200
Picture of osteocytes on slides.
What are osteocytes called?
A. Maintenance
B. Builders
C. None
D. Wrecking Crew
A. Maintenance
200
True or False
Is red bone marrow found in the Compact bone?
False, it is yellow bone marrow
200
How does osteoclasts accomplish bone resorption?
By hydrogen ions and enzymes
200
What are the branching structures found in spongy bone called?
Trabeculae
200
Osteoblast build new, what?
Bone matrix
300
What are osteocytes responsible for?
A. Bone growth
B. Breaks down bone
C. Monitors and maintains mineralized bone matrix
D. all of these
C. Monitors and maintains mineralized bone matrix
300
Name the structure.
Central Canal
300
What are osteoclasts called?
A. Maintenance
B. Builders
C. Wrecking Crew
D. none
C. Wrecking Crew
300
Where is spongy bone located on the long bone?
Most of epiphysis
300
What are osteoblasts responsible for?
Bone deposition
400
Where are osteocytes found in?
Lacunae of the osteon, trapped between rings of matrix
400
True or False
Is the compact bone found in the diaphysis of a long bone
True
400
Where are Osteoclasts found at?
Endosteum and Periosteum
400
True or False
Is spongy bone found in flat bones, for example: the skull?
True
400
What is the organic matrix deposited by the osteoblasts, composed of?
Mostly collagen
500
Picture on the slides.
Name this cell.
Osteocytes
500
Name the structure of number 13.
Lamellae
500
What region of the cell secretes hydrogen ions and enzymes?
Ruffle Border
500
Spongy bone is between what kind of structure?
Compact Bone
500
What can cause a decrease in osteoblast activity?
inadequate exercise