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The mucosa-associated lymphoid tissue (MALT) (also called mucosa-associated lymphatic tissue) is a diffuse system of small concentrations of lymphoid tissue found in various sites of the body, such as the gastrointestinal tract, thyroid, breast, lung, salivary glands, eye, and skin. D-MALT (diffuse mucosa-associated lymphatic tissue); MALT that is not organized as a separately macroscopically anatomically identifiable mass, tissue or organ (such as the aforementioned O-MALT) is diffuse MALT.
A tissue is composed of similarly specialized cells that perform a common function in the body. Epithelial Tissue. Epithelial tissues cover the body surface, line most cavities, and form glands.Functions include protection, absorption, secretion, and filtration.lood. A type of connective tissue in which the extracellular matrix is liquid and contains soluble proteins that aren't made by the cells of the tissue (exception: some leukocytes secrete gamma globulins, or antibodies). Muscular Tissue. Muscular tissue is composed of fibers (cells) that contract.