the term âalumigraphâ in an article published in the Spring, 2002, edition of. Printmaking Today (vol. 11, no. 1, pp. 28-29), to refer to a rather different process. So, I have decided in fairness to switch to the terms âfoilographâ and. âfoilographyâ instead.
Lymph vessels. Walled, valved structures that carry lymph around the body. Lymph nodes. Small bean-shaped glands that produce lymphocytes, filter harmful substances from the tissues, and contain macrophages, which are cells that digest cellular debris, pathogens and other foreign substances. Major groups of lymph nodes are located in the tonsils, adenoids, armpits, neck, groin and mediastinum.
In addition to this protective function, epithelial tissue may also be specialized to function in secretion and absorption. Epithelial tissue helps to protect organs from microorganisms, injury, and fluid loss. Functions of epithelial tissue: 1  the cells of the body surface form the outer layer of skin.2  inside the body, epithelial cells form the lining of the mouth & alimentary canal & protect these organs.pithelial tissue helps to protect organs from microorganisms, injury, and fluid loss. Functions of epithelial tissue: 1  the cells of the body surface form the outer layer of skin. 2  inside the body, epithelial cells form the lining of the mouth & alimentary canal & protect these organs.