Cartilage
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Transcript of Cartilage
![Page 1: Cartilage](https://reader033.fdocuments.in/reader033/viewer/2022060118/558c021bd8b42ac75b8b45a5/html5/thumbnails/1.jpg)
CONNECTIVE TISSUE WITH SPECIAL PROPERTIES
ADIPOSE RETICULAR PIGMENTED
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ADIPOSE TISSUE
• LOOSE C.T.• ADIPOSE CELLS• SIGNET RING POLY HYDERAL• CENTRAL DROPLET VIMENTIN• BASAL LAMINA• YELLOW & BROWN FAT• ENERGY STORAGE TRIGLYCERIDES
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YELLOW FAT BROWN FAT
• ADULTS• WHITE YELLOW• UNILOCULAR• SIGNET RING ADIPOCYTE• VASCULARIZED
• EMBRYO INTERSCAPULAR & INGUINAL
• BROWN• MULTILOCULAR• NUCLEUS ECCENTRIC• MITOCHONDRIA
CYTOCHROME OXIDASE• INCREASED
VASCULRATIRY & INNERVATION
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ELASTIC CONNECTIVE TISSUE
• YELLOW ELASTIC • LIGAMENTS OF VERTEBRAL
COLUMN ELASTIC ARTERY• BUNDLES OF ELASTIC FIBERS• FIBROBLAST
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RETICUALR CONNECTIVE TISSUE
• RETICULAR CELLS & FIBERS• THREE DIMENSIONAL SPONGY
NETWORK• PROCESSES OVERLAP FIBERS• RETICULAR FRAMEWORK OF
HAEMOPOIETIC & LYMPHOID ORGANS
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CARTILAGE
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CARTILAGE
LOAD BEARINGAVASCULAR C.T.
CELLS HIGHLY SPECIALIZED MATRIX
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CLASSIFICATION
• HYALINEARTICULAR NONARTICULAR
• ELASTIC• FIBROUS
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HYALINE NON ARTICULAR CARTILAGE
• BLUISH HOMOGENOUS GLASSY• SOLID FIRM & RESILIENT • PERCHONDRIUM• CHONDROCYTES• MATRIX
FIBERS & GROUND SUBSTANCE
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PERICHONDRIUM
• FIBROUS LAYERDENSE IRREGULAR C.TFIBROBLAST BLOOD VESSELS NERVES & LYMPH VESSELS
• CELLULAR LAYERCOLLAGEN FIBERS CHONDROGENIC CELLS
• ESSENTIAL FOR GROWTH & MAINTENANCE
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CELLS
• CHONDROGENIC STEM CELLS FIBROBLAST
• CHONDRBLAST FIBERS & GROUND SUBSTANCE
• CHONDRO CYTEISOGENOUS GROUPLACUNAE
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FIBERS
• COLLAEGEN• TYPE II, IX, X,XI• NOT VISIBLE UNDER THE LIGHT
MICROSCOPE • THINNER FIBRIL• REFRACTIVE INDEX• 64 nm PERIODICITY
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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 DIFFUSIONSHOCK ABSORBER
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LOCATION
• EMBRYONIC SKELETON• LARGER RESPIRATORY PASSAGES• LARYNGEAL CARTILAGES• COSTAL CARTILAGE • EPIPHYSEAL PLATE
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HYALINE ARTICULAR CARTILAGE
• 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
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ELASTIC CARTILAGE
• EXTERNAL EAR, AUDITORY TUBE, LARYNX
• HYALINE NON ARTICULAR CARTILAGE
• YELLOWISH• ELASTIC FIBER
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FIBROCARTILAGE
• INTERVERTEBRAL DISC FIBROCARTILAGE
• NO PERICHONDRIUM • ACIDOPHILIC• BUNDLES OF TYPE I COLLAGEN
FBERS REGULAR & IRREGULAR WITH GROUPS OF CHONDROCYTE
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