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Exploring Cartilage: Structure, Function, and Types

Learn about the specialized connective tissue of cartilage, its components, functions, and types including hyaline, fibrous, and elastic cartilage. Discover how cartilage supports soft tissues, absorbs shock, and contributes to growth and development processes.

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Exploring Cartilage: Structure, Function, and Types

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  1. CARTILAGE

  2. INTRODUCTION • It is a specialized connective tissue

  3. Characteristics • Chondrocytes • Located in lacunae • Extensive extra-cellular matrix • Fibers, Collagen, &elastic • Ground substance • Fibers bind together and give firm, flexible properties to tissue

  4. Functions of Cartilage • Firm consistency of the extracellular matrix allows the tissue to bear mechanical stresses without permanent distortion • Supports soft tissues. • Shock-absorbing because it is resilient. • Smooth surface allows sliding . • Essential for growth, development of bone.

  5. TYPES OF CARTILAGE There are 3 types of cartilage • Hyaline cartilage • Fibrous cartilage • Elastic cartilage

  6. HYALINE CARTILAGE • Hyaline cartilage is the most common type, found in several places and serves as a structural model

  7. Hyaline Cartilage • Cells embedded in clear matrix(halos meaning glass) • Perichondrium on surface

  8. Found at ends of bones, • nose, trachea, larynx • Bluish white color. • Strong, rubbery, flexible tissue.

  9. TYPES OF HYALINE CARTILAGE It has two types • Articular • Costal

  10. ARTICULAR CARTILAGE • Covers articular areas of bones forming synovial joints • Provides an extremely wear resistant, smooth polished surfacebathed by synovial fluid

  11. ELASTIC CARTILAGE • Yellowish in colour • Contains elastic fibers

  12. ELASTIC CARTILAGE • Found in auricle of ear, walls of external auditory canals, eustachian tubes, epiglottis, larynx • Maintains shape, deforms but returns to shape; flexibility of organ; strengths and supports structures.

  13. Fibrocartilage • Collagen type I is dominant in fibrous cartilage • is typically found in relation to joints (forming intra-articular lips, disks and menisci) intervertebral disks, symphysis pubis.

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