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Questions and Answers
What is the primary function of bone in the body?
What is the primary function of bone in the body?
- Locomotion and support (correct)
- Vision
- Hormone production
- Digestion
Which type of cells are largely known for their bone forming function?
Which type of cells are largely known for their bone forming function?
- Osteoblasts (correct)
- Osteoclasts
- Bone lining cells
- Osteocytes
What percentage of the total resident bone cells do osteoblasts comprise?
What percentage of the total resident bone cells do osteoblasts comprise?
- 75–80%
- 50–60%
- 4–6% (correct)
- 20–25%
Which type of cells are the most abundant and long-lived cells in bone?
Which type of cells are the most abundant and long-lived cells in bone?
What is the mineralized connective tissue that exhibits four types of cells?
What is the mineralized connective tissue that exhibits four types of cells?
What is the lifespan of osteocytes, the most abundant cells in bone?
What is the lifespan of osteocytes, the most abundant cells in bone?
What type of cells are osteoclasts?
What type of cells are osteoclasts?
What percentage of the total resident bone cells are osteoblasts?
What percentage of the total resident bone cells are osteoblasts?
What is the primary function of bone in the body?
What is the primary function of bone in the body?
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Study Notes
Bone Functions and Cells
- Bones provide structural support, protect organs, facilitate movement, and store minerals and fat.
- Osteoblasts are specialized cells responsible for bone formation.
- Osteoblasts comprise approximately 4% of the total resident bone cells.
- Osteocytes are the most abundant and long-lived cells in bone, playing a crucial role in maintaining bone tissue.
- Bone is a mineralized connective tissue featuring four types of cells: osteoblasts, osteocytes, osteoclasts, and bone lining cells.
- Osteocytes have a significantly long lifespan, often spanning decades, reflecting their role in bone maintenance.
- Osteoclasts are multinucleated cells involved in bone resorption, breaking down bone tissue.
- Generally, osteoblasts constitute about 4% of total resident bone cells, crucial for maintaining and forming bone material.
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