Menu. 2. It refers to the breaking down of muscle fibers and is usually described as occurring in skeletal muscle; however, cardiac and smooth muscle also atrophy. • Atrophy of ductus arteriosus in infants • Atrophy of thymus. ... For example, Disuse atrophy is a progressive withering of bone and muscle that results from prolonged inactivity. Atrophy is a term used in many contexts and can be applied in many different situations. Atrophy is a term that describes the wasting away of cell tissue. 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. Muscle atrophy can also happen if you’re bedridden or unable to move certain body parts due to a medical condition. Atrophy Definition. In the event that a patient develops a chronic illness like cancer or HIV, bone density and muscle mass whittle down considerably. Dictionary ! Five Types of Atrophy. Overall, the proper use of the term is to describe … Brain atrophy can refer to a loss of brain cells or a loss in the number of connections between these cells. Muscle atrophy can occur due to poor nutrition, age, and genetics. Paralysis of a muscle mass due to nerve injury. to weaken in ability or function. When a person gets dementia and cannot remember things anymore, it is an example of atrophy in their brain cells. Define pressure atrophy. Give two examples of disuse atrophy. Examples of Atrophy in a sentence. Definition. 1. Symptoms vary, and treatment may include physical therapy, functional electric stimulation, or … Astronauts, for example, can experience muscle atrophy after a … Physiologic atrophy. See more. Atrophy, a reduction in size that impairs tissue function, can occur in the muscles and glands of the body.It may be caused by genetic, environmental, lifestyle, or disease factors. Pathologic atrophy. It was hard to watch my mother atrophy as she experienced the weakening disease of Alzheimer’s. Definition of Atrophy. Depending upon the underlying cause, pathologic atrophy may be localized or generalized: a. Muscle atrophy mechanisms are divided into three groups – physiologic, pathologic, and neurogenic. How to use atrophied in a sentence. Atrophied definition is - having wasted away or decreased in size (as from disease or disuse). The word muscle atrophy comes from the Greek a (without) and trophe (nourishment). Treatment options depend on the cause; some cases may be treatable with exercise, for instance, while others may require medical support. Atrophy definition, a wasting away of the body or of an organ or part, as from defective nutrition or nerve damage. 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