Cartilage

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Cartilage

  1. 1. CONNECTIVE TISSUEWITH SPECIALPROPERTIES ADIPOSE RETICULAR PIGMENTED
  2. 2. ADIPOSE TISSUE• LOOSE C.T.• ADIPOSE CELLS• SIGNET RING POLY HYDERAL• CENTRAL DROPLET VIMENTIN• BASAL LAMINA• YELLOW & BROWN FAT• ENERGY STORAGE TRIGLYCERIDES
  3. 3. YELLOW FAT BROWNFAT• ADULTS • EMBRYO• WHITE YELLOW INTERSCAPULAR &• INGUINAL UNILOCULAR • BROWN• SIGNET RING ADIPOCYTE • MULTILOCULAR• VASCULARIZED • NUCLEUS ECCENTRIC • MITOCHONDRIA CYTOCHROME OXIDASE • INCREASED VASCULRATIRY & INNERVATION
  4. 4. ELASTIC CONNECTIVETISSUE• YELLOW ELASTIC• LIGAMENTS OF VERTEBRAL COLUMN ELASTIC ARTERY• BUNDLES OF ELASTIC FIBERS• FIBROBLAST
  5. 5. RETICUALR CONNECTIVETISSUE• RETICULAR CELLS & FIBERS• THREE DIMENSIONAL SPONGY NETWORK• PROCESSES OVERLAP FIBERS• RETICULAR FRAMEWORK OF HAEMOPOIETIC & LYMPHOID ORGANS
  6. 6. CARTILAGE
  7. 7. CARTILAGE LOAD BEARING AVASCULAR C.T. CELLS HIGHLY SPECIALIZED MATRIX
  8. 8. CLASSIFICATION• HYALINE ARTICULAR NONARTICULAR• ELASTIC• FIBROUS
  9. 9. HYALINE NON ARTICULARCARTILAGE• BLUISH HOMOGENOUS GLASSY• SOLID FIRM & RESILIENT• PERCHONDRIUM• CHONDROCYTES• MATRIX FIBERS & GROUND SUBSTANCE
  10. 10. PERICHONDRIUM• FIBROUS LAYER DENSE IRREGULAR C.T FIBROBLAST BLOOD VESSELS NERVES & LYMPH VESSELS• CELLULAR LAYER COLLAGEN FIBERS CHONDROGENIC CELLS• ESSENTIAL FOR GROWTH & MAINTENANCE
  11. 11. CELLS• CHONDROGENIC STEM CELLS FIBROBLAST• CHONDRBLAST FIBERS & GROUND SUBSTANCE• CHONDRO CYTE ISOGENOUS GROUP LACUNAE
  12. 12. FIBERS• COLLAEGEN• TYPE II, IX, X,XI• NOT VISIBLE UNDER THE LIGHT MICROSCOPE• THINNER FIBRIL• REFRACTIVE INDEX• 64 nm PERIODICITY
  13. 13. GROUND SUBSTANCE• BASOPHILIC MORE MARKED AROUND ISOGENOUS GROUPS• TERRITORIAL & INTERTERITORIAL MATRIX• FIRM HIGHLY HYDRATED• PROTEOGLYCAN CHONDROITIN & KERATAN SO4 (PROTEOGLYCAN) HYALURONIC ACID• GLYCOPROTEINS CHONDROCYTE & MATRIX • ANCHARIN TENASCIN FIBRONECTIN• RESILIENCE DIFFUSION SHOCK
  14. 14. LOCATION• EMBRYONIC SKELETON• LARGER RESPIRATORY PASSAGES• LARYNGEAL CARTILAGES• COSTAL CARTILAGE• EPIPHYSEAL PLATE
  15. 15. HYALINE ARTICULARCARTILAGE• ARTICULAR SURFACE OF BONES• NO PERICHONDRIUM• ZONE I • CELLS ARE FLAT // TO SURFACE • // COLLAGEN FIBERS• ZONE II • CELLS LARGE ROUNDED SINGLY / GROUPS • FIBERS ARE OBLIQUE• ZONE III • CELLS IN VERTICAL COLUMN• ZONE IV CALCIFIED MATRIX
  16. 16. ELASTIC CARTILAGE• EXTERNAL EAR, AUDITORY TUBE, LARYNX• HYALINE NON ARTICULAR CARTILAGE• YELLOWISH• ELASTIC FIBER
  17. 17. FIBROCARTILAGE• INTERVERTEBRAL DISC FIBROCARTILAGE• NO PERICHONDRIUM• ACIDOPHILIC• BUNDLES OF TYPE I COLLAGEN FBERS REGULAR & IRREGULAR WITH GROUPS OF CHONDROCYTE

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