A Guide to the Individualized Education Program United States Department of Education guidance to assist educators, parents, and state and local educational agencies in implementing the requirements of Part B of the IDEA regarding IEPs .
Atrophy is the partial or complete wasting away of a part of the body. Causes of atrophy include poor nourishment, poor circulation, loss of hormonal support, loss of nerve supply to the target organ, disuse or lack of exercise, or disease intrinsic to the tissue itself. Hormonal and nerve inputs that maintain an organ or body part are referred to as trophic. more... Atrophy is a general physiological process of reabsorption and breakdown of tissues, involving apoptosis on a cellular level. It can be part of normal body development and homeostatic processes, or as a result of disease.
Individuals experiencing starvation lose substantial fat (adipose) and muscle mass as the body breaks down these tissues for energy. Catabolysis is the process of a body breaking down its own muscles and other tissues in order to keep vital systems such as the nervous system and heart muscle (myocardium) functioning. Vitamin deficiency is a common result of starvation, often leading to anemia, beriberi, pellagra, and scurvy.