tissue CONNECTIVE TISSUE PROPER LOOSE adipose * This tissue is basically an aerolar connective tissue invaded by fat cells (adipocytes). * Seen through the light microscope, the adipocytes look like big white blobs: * an oil droplet occupies most of the cell volume, pushing the cell's nucleus to the periphery. * The adipocytes are packed closely together and account for about 90% of the tissue mass. * Adipose tissue provides reserve fuel for cells in the body. * Since fat is a poor heat conductor it insulates the body against heat loss. * It also supports and protects organs by acting as shock absorber. * Adipose tissue may develop almost anywhere areolar tissue is plentiful, but it usually accumulates in subcutaneous tissue, around kidneys and eyeballs, in bones, in breasts and within the abdomen. * Adipose tissue is richly vascularized, indicating its high metabolic activity. CONNECTIVE TISSUE PROPER LOOSE reticular : * The fibroblasts are embedded in the matrix: they do not lie in lacunae (chambers within
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