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Questions and Answers
What is the primary function of osteoclasts in the bone?
What is the primary function of osteoclasts in the bone?
- To resorb and degrade bone tissue (correct)
- To produce the organic components of bone matrix
- To support the body's structure
- To act as the body's Ca2+ reservoir
What is the main component of the bone matrix produced by osteoblasts?
What is the main component of the bone matrix produced by osteoblasts?
- Elastin
- Type I collagen (correct)
- Type II collagen
- Fibrin
What is the origin of osteoblasts?
What is the origin of osteoblasts?
- From mesenchymal stem cells (correct)
- From neural stem cells
- From hematopoietic stem cells
- From epithelial stem cells
What is the primary function of the bone in the body?
What is the primary function of the bone in the body?
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What is the characteristic of the bone's extracellular material?
What is the characteristic of the bone's extracellular material?
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Study Notes
Histology of Bone
- Bone is a specialized connective tissue with a rich vascular supply.
Composition
- Composed of calcified extracellular material, known as the bone matrix.
- Consists of three major cell types: osteocytes, osteoblasts, and osteoclasts.
Functions of Bone
- Supports the body.
- Protects many internal organs.
- Acts as the body's calcium (Ca2+) reservoir.
Osteoblasts
- Originate from mesenchymal stem cells.
- Produce the organic components of bone matrix, including:
- Type I collagen.
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Description
Learn about the composition, types, and cells of bone tissue, as well as their functions and importance in supporting and protecting the body.
