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Bio47S11HO08 - Biology 47 Human Anatomy Lecture 8...

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Biology 47 - Human Anatomy Lecture 8 Articulations Synovial Joint : Diarthroses : Synovial Joint NO direct : Joint Cavity : Joint Cavity Components : 1. Articular Cartilage : Modified hyaline covering: Functions : a. b. Modification : Lacks: Matrix more fluid: Releases synovial fluid during : Clinical : Chondromalacia 2. Joint (Articular) Capsule : Dense connective tissue: Continuous with: Collagen fibers continuous with: Sharpey’s Fibers : Functions : a. Adds : b. Refines: : c. Defines : 3. Synovial Membrane : Membrane lining inside of: Does NOT cover : Function :
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a. Provides : b. Nourishes : Chondrocytes acquire : c. Shock absorber Absorbs and distributes: Joint Accessory Components : 1. Accessory Ligaments : Intrinsic & Extrinsic Thick bands of : Continuous with periosteum & bone : Function : a. Intrinsic Ligaments : “ Capsular Ligaments Distinct thickenings of : Pubofemoral Ligament b. Extrinsic Ligaments : “ Extracapsular ” & “ Intracapsular 1. Extracapsular Ligaments : “Outside” Distinct fiber bands : Ulnar Collateral Ligament Medial Collateral Ligament Knee 2. Intracapsular Ligament : “Within”
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