Capsules increase virulence of some organisms because they pre â¦ vent desiccation, are able to stick to surfaces and provide a mechanism for attachment to tissue such as respiratory epithelial tissue in humans. Capsules are also slippery and often evade a human's immune system by avoiding phagocytosis from certain leukocytes.
Definition of DEFICIENCY DISEASE. : a disease (as scurvy) caused by a lack of essential dietary elements and especially a vitamin or mineral.
Photo by: Gravicapa. Dietary deficiencies are disorders that occur because of a lack of essential nutrients in the diet, or because the body cannot absorb and process those nutrients once they are eaten. Most dietary deficiency diseases are caused by a lack of protein, vitamins, or minerals.Protein deficiency diseases occur when a person does not eat enough protein; these diseases are prevalent in developing countries where people are too poor to buy protein-rich foods or where such foods are hard to find.ost dietary deficiency diseases are caused by a lack of protein, vitamins, or minerals. Protein deficiency diseases occur when a person does not eat enough protein; these diseases are prevalent in developing countries where people are too poor to buy protein-rich foods or where such foods are hard to find.