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Connective Tissue
- supports, protects and binds other tissues together
- has few cells that are widely separated by large amounts of material between the cells
- e.g. adipose tissue, cartilage, bone, blood
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Connective Tissue Cell types
- 1. Fibroblast
- 2. Macrophage
- 3. Mast cells
- 4. Blood cells
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1. Fibroblast
large star shaped cell whose function is to produce intercellular matrix; this matrix is largely the protein collagen
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2. Macrophage
a phagocyte attached to fibroblasts
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3. Mast cells
found near blood vessels for the inflammatory response
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Loose - connective tissue
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Areolar –
found beneath the skin; has white collagen and yellow elastic fibers; flexible
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Adipose –
- this type of connective tissue has very little intercellular matrix. Each cell contains a large drop of fat that pushes the cytoplasm (and nucleus) into a thin band around the outer edge of the cell.
- This fat is stored as a food source, as insulation, and as a cushion
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