9-5-06 CONNECTIVE TISSUE

9-5-06 CONNECTIVE TISSUE - CONNECTIVE TISSUE IMPORTANT...

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CONNECTIVE TISSUE IMPORTANT CHARACTERISTICS Made up of cells and a nonliving substance called the MATRIX o Very spread out as opposed to epithelium which is incredibly packed together Vascularized except cartilage FUNCTION Protection (bone and cartilage) Support – defines our shape (organs, skeleton, etc….) Insulate (Fat is best one, it is very good in environments with varying temperatures) STRUCTURE Cell – Each kind of connective tissue has a specific type of cell Connective Tissue Cell Type Proper Fibroblast (Most abundant) Cartilage Chondrocyte Bone Osteocytes Fat Adipocyte Blood Blood cells (hemocytoblast) Matrix (Stuff in between connective cells) Determines the consistency of the cell o Contain different types of Fibers Collagen Fibers – have incredibly high tensile strength, resists pulling), made of collagen Elastic Fibers – Made of elastin, very elastic (like a rubber band), once stretched will return to its original shape Cutis laxa – genetic disease where elastin synthesis does not occur.
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