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.
Overview. Congenital diseases refer to diseases that are present at birth. Sometimes, the congenital condition affects a certain body part or is an inherited condition that affects growth and development.Congenital diseases are typically present at birth, but with the advent of three-dimensional sonograms, congenital diseases may be detected prior to birth.Coarctation of the aorta refers to a medical problem in which the aorta (major blood vessel of the heart) is narrowed, states MedlinePlus.ongenital diseases refer to diseases that are present at birth. Sometimes, the congenital condition affects a certain body part or is an inherited condition that affects growth and development.