This article relies too much on references to primary sources. (September 2011) Engineer in Training, or EIT, is a professional designation from the National Council of Examiners for Engineering and Surveying (NCEES) used in the United States to designate a person certified by the state as having completed two requirements:
Professional Geropsychology Professional Geropsychology is a specialty in professional psychology that applies the knowledge and methods of psychology to understanding and helping older persons and their families to maintain well-being, overcome problems and achieve maximum potential during later life.
Atrophy. Definition: Decrease in the size of cells, tissues, or organs. 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.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.ormonal and nerve inputs that maintain an organ or body part are referred to as trophic. 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.