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Atrophy is the partial or complete wasting away of a part of the body. Causes of atrophy include mutations (which can destroy the gene to build up the organ), poor nourishment, poor circulation, loss of hormonal support, loss of nerve supply to the target organ, excessive amount of apoptosis of cells, and disuse or lack of exercise or disease intrinsic to the tissue itself.
In cell biology and pathophysiology, cellular adaptation refers to changes made by a cell in response to adverse or varying environmental changes. The adaptation may be physiologic (normal) or pathologic (abnormal). Morphological adaptations observed at the cellular level include atrophy, hypertrophy, hyperplasia, and metaplasia. [1]
Muscle atrophy is the loss of skeletal muscle mass. It can be caused by immobility, aging, malnutrition, medications, or a wide range of injuries or diseases that impact the musculoskeletal or nervous system. Muscle atrophy leads to muscle weakness and causes disability.
Structural changes of cells undergoing necrosis and apoptosis. Necrosis (from Ancient Greek νέκρωσις (nékrōsis) 'death') is a form of cell injury which results in the premature death of cells in living tissue by autolysis. [1]
The top European Union military official, Robert Brieger, said it would make sense to station troops from EU countries in Greenland, according to an interview with Germany's Welt am Sonntag ...
(Atrophy, the wasting away of already existing cells, is technically the direct opposite of both hyperplasia and hypertrophy.) Hypoplasia can be present in any tissue or organ. It is descriptive of many medical conditions, including underdevelopment of organs such as: Breasts during puberty; Testes in Klinefelter's syndrome
Kash Patel, a known Trump loyalist and critic of the FBI, has been confirmed as the agency's new director.
The Los Angeles Dodgers have agreed to terms with utility player Hyeseong Kim on a three-year contract for $12.5 million with a two-year club option for 2028 and 2029.