Connective, muscle and nervous tissues

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Connective, muscle and nervous tissues

  1. 1. The tissue level of organization Connective, Muscle, and Nervous Tissues
  2. 2. Examples of connective tissue • Solid – Cartilage – Bone – Tendons – Ligaments – Fibrous tissues • Fluid – Lymph – Blood
  3. 3. Connective tissue functions • Protection • Support • Separation / compartmentalization • Bind organs together • Energy storage
  4. 4. Loose connective tissue
  5. 5. Loose (Areolar) Connective Tissue
  6. 6. Loose connective tissue • Loosely woven fibers produced by fibroblasts • Three types of fibers – Collagenous (collagen): tough, parallel bundles – Elastic (elastin): smaller, still strong, can stretch – Reticular: v. thin branching strong support
  7. 7. Adipose tissue
  8. 8. Adipose tissue • Fat • Found within loose connective – Sub cutaneous = adipose + areolar • Insulation and protection – Around kidneys, heart surface, joints, behind eye
  9. 9. Dense (regular) connective tissue
  10. 10. Dense connective tissue • Interwoven fibrous bundles • Main components of tendons, aponeuroses and ligaments – Tendons connect muscles to bone – Aponeuroses are sheet like tendons – Ligaments connect bone to bone
  11. 11. Cartilage • Strong and resilient • Avascular • Growth • Chondrocytes divide • Chondroblasts become chondrocytes
  12. 12. Types of cartilage • Hyaline, -most abundant in body – Shock absorption – Embryonic skeleton – At ends of long bones (joints) – Ribs, nose, larynx, trachea, bronchi, bronchioles • Fibrocartilage – V. strong and rigid – Symphysis pubis and between vertebrae • Elastic – stretches and retains shape – Epiglottis, external ear, eustachian tubes
  13. 13. Bone
  14. 14. Muscle Tissue
  15. 15. Nervous Tissue

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