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Questions and Answers
What is the primary component of the matrix in cartilage that contributes to its resiliency?
What is the primary component of the matrix in cartilage that contributes to its resiliency?
Which type of cartilage is the most common in the body and often associated with joints?
Which type of cartilage is the most common in the body and often associated with joints?
What is the role of collagen fibers in cartilage?
What is the role of collagen fibers in cartilage?
What distinguishes fibrocartilage from other types of cartilage?
What distinguishes fibrocartilage from other types of cartilage?
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Why is the matrix of cartilage considered unique?
Why is the matrix of cartilage considered unique?
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What happens to bones that contain only the mineral component?
What happens to bones that contain only the mineral component?
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What is the main function of osteoblasts in bone formation?
What is the main function of osteoblasts in bone formation?
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How do osteoblasts release the proteins they produce?
How do osteoblasts release the proteins they produce?
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What do matrix vesicles produced by osteoblasts consist of?
What do matrix vesicles produced by osteoblasts consist of?
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What is the role of collagen fibers within the bone matrix?
What is the role of collagen fibers within the bone matrix?
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What is one of the primary functions of the skeletal system?
What is one of the primary functions of the skeletal system?
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Which of the following tissues are included in the skeletal system?
Which of the following tissues are included in the skeletal system?
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Which section of the textbook is primarily focused on the functions of the skeletal system?
Which section of the textbook is primarily focused on the functions of the skeletal system?
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What type of tissue is primarily associated with the skeletal system's supportive function?
What type of tissue is primarily associated with the skeletal system's supportive function?
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Which additional support system is recommended to revisit alongside the study of bone?
Which additional support system is recommended to revisit alongside the study of bone?
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What is the primary function of fibroblasts in the outer layer of the perichondrium?
What is the primary function of fibroblasts in the outer layer of the perichondrium?
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Which of the following statements is true regarding articular cartilage?
Which of the following statements is true regarding articular cartilage?
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Which cells in the inner layer of the perichondrium are primarily responsible for cartilage production?
Which cells in the inner layer of the perichondrium are primarily responsible for cartilage production?
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What type of connective tissue is primarily found in the outer layer of the perichondrium?
What type of connective tissue is primarily found in the outer layer of the perichondrium?
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What is the consequence of articular cartilage lacking a perichondrium?
What is the consequence of articular cartilage lacking a perichondrium?
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Study Notes
Bone Tissue
- Bone is a supporting connective tissue
- Bone's functions include support, protection, and movement.
- The skeletal system comprises bone, cartilage, dense connective tissue, epithelium, adipose tissue, and nervous tissue.
- Bone is a hard, rigid structure, but dynamic, constantly remodeling throughout life.
Skeletal System Functions
- Support: Supports the body and soft tissues.
- Protection: Protects internal organs like the brain and heart.
- Movement: Muscles pull on bones to cause movement.
- Storage of minerals: Stores minerals like calcium and phosphorus for body processes.
- Storage of fat: Stores adipose tissue in bone marrow (yellow marrow) for energy storage.
Bone Composition
- Bone matrix, comprising 65% inorganic mineral (hydroxyapatite).
- Bone matrix, comprising 35% organic components (collagen fibers, proteoglycans).
Bone Cells
- Osteoblasts: Build bone matrix.
- Osteocytes: Mature osteoblasts, maintain bone matrix.
- Osteoclasts: Break down bone matrix for remodeling, absorption.
- Osteochondral progenitor cells: Stem cells that differentiating into osteoblasts and chondroblasts.
Cartilage
- Firm, smooth, resilient, and non-vascular connective tissue.
- Important in supporting and cushioning joints.
- Three types: hyaline, elastic, and fibrocartilage.
- Hyaline cartilage: Most common, found in joints, nose, and trachea
- Elastic cartilage: More flexible, found in ears and epiglottis.
- Fibrocartilage: Strongest type, found in intervertebral discs and knee meniscus.
Growth of Cartilage
- Appositional growth: Growth from the outside surface.
- Interstitial growth: Growth from within the cartilage matrix.
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Description
Explore the vital roles of bone tissue and the skeletal system in supporting, protecting, and facilitating movement in the human body. This quiz delves into the composition of bone, its functions, and the various types of bone cells involved in these processes.
