Tissue is a group of similar cells that work together with intercellular substances and body fluids to perform a particular function in an organism. Groups of tissues, in turn, form the organs of animals and plants.
Callus, KAL uhs, is a hardening and thickening of the skin. It often forms on the feet and hands. Poorly fitted shoes can cause calluses on the… More>>
Cyst, sihst, is a sac in the body that contains fluid and has no outside opening. Cysts of the skin occur more often than others. These usually… More>>
Epithelioma, ehp uh thee lee OH muh, is any tumor of the epithelium, the tissue that lines the body cavities and covers the body surface and the… More>>
Membrane
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