Conective tissue

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Conective tissue

  1. 1. BySalehe Sekandari
  2. 2. Connective tissue Connective tissue, as the name implies, forms a continuum with epithelial tissue ,muscle, and nervous tissue to maintain a functionally integrated body. Unlike cells of Epithelial tissue, connective tissue cells are not directly attached to one another. Connective tissue consists of individual cells scattered within an extracellular matrix.
  3. 3. Major Functions of ConnectiveTissueConnection of body tissuesProtection of organsStorage of energyDiffusion of metabolitesDefenceCell growth and differentiationWound healing
  4. 4. Connective tissue elements Cells Fibers Extracellular matrix Ground substance
  5. 5. cells Fibroblasts (which secrete the fibers and ground substance of the extracellular matrix). Macrophages (which ingest and remove foreign material or damaged cells). Plasma cells(Which derived from B lymphocytes and manufacture antibodies. Adipocytes (which store fat). Mast cells (which trigger inflammation). Mesenchymal cells  lymphocytes, Eosinophils, and neutrophils
  6. 6. FIBROBLAST VS FIBROCYTE
  7. 7. Collagen FibersElastic FibersReticular Fibers
  8. 8. CollagenElastic
  9. 9. Ground substanceComponents: Glycosaminoglycans  dermatan sulfate, keratan sulfate, Heparan sulphate,  chondroitin sulfate, hyaluronic acid Glycoproteins Laminin, Fibronectin, Chondronectin, Osteonectin Tissue Fluid
  10. 10. Connective Tissue: a-Loose CT b-Dense(regular & Irregular) CT C-Mucous CT D-Mesenchymal CT E-Reticular CT F-Adipose CT(unilocular(white) & Multilocular(brown)) G-Elastic CT H-Cartilage I-Bone J-Blood K-Lymph
  11. 11. Loose connective tissueLoose arrangement of fibers and cells in abundant ground substanceUnderlies all epithelia, between muscles, passageways for nerves and blood vessels 5-13
  12. 12. Dense Irregular Connective Tissue  Densely packed, randomly arranged, collagen fibers and few visible cells  reticular layer of derm; capsules around organs 5-14
  13. 13. Dense Regular Connective Tissue  Densely, packed, parallel collagen fibers  compressed fibrobalast nuclei  Tendons and ligaments hold bones together and attach muscles to bones 5-15
  14. 14. Loose connective tissueirregular Dense connective tissue
  15. 15. White Adipose tissue
  16. 16. 1. Hyaline cartilage 2. Elastic cartilage 3. Fibrocartilage
  17. 17. Hyaline Cartilage
  18. 18. Hyaline Cartilage
  19. 19. Compact BoneSpongy Bone
  20. 20. Spongy Bone
  21. 21. Compact Bone
  22. 22. Histology of Bone Tissue
  23. 23. Compact Bone (Decalcified)
  24. 24. Compact Bone Ground section (Canal of volkman)
  25. 25. Compact Bone Ground section
  26. 26. Thanks foryour attention!

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