18 Questions
What is the function of the periosteum in bones?
Acts as a source of bone-forming cells
Which part of the bone is covered by the periosteum?
Exterior except articular cartilage
Where are osteocytes located within the bone structure?
Within lacunae in the bone matrix
What is the role of the endosteum in bones?
Lines all internal cavities of bones
Which component is mainly found in the outer fibrous layer of the periosteum?
Muscle fibers
What is a primary function of osteoclasts in bone remodeling?
Maintaining bone resorption
What is the primary function of osteoblasts in bone formation?
Produce bone matrix osteoid
What type of cells line the surfaces of a developing bone as a continuous layer surrounding the bone marrow?
Osteoblasts
Which structure originated from when osteoblasts become trapped in the matrix they secreted?
Osteocytes
What is the function of Haversian canals in bone structure?
Provide channels for blood vessels and nerves
Which component of bones is responsible for maintaining a local concentration of calcium and phosphate ions?
Endosteum
What do osteoblasts primarily produce during bone formation?
Bone matrix osteoid
What is the function of osteoclasts in the microstructure of bone?
Maintain calcium balance between bone & blood
How is the microstructure of spongy bone characterized?
Trabeculae filled with red bone marrow
Where are all osteocytes located in relation to their source of nutrition?
Close to the source of nutrition
Which component is responsible for the organized formation seen in normal bone?
Collagen matrix
What is the role of endosteum in bone structure?
Line the inner surface of bones
In what way does osteoporosis develop according to the text?
Resorption surpasses formation by osteoclasts
Test your knowledge on the composition of periosteum and endosteum according to Principles of Anatomy and Physiology, 10th edition by John Wiley & Sons. Learn about the structure and functions of these bone coverings.
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