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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.
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.
Cerebral atrophy is a common feature of many of the diseases that affect the brain. [1] Atrophy of any tissue means a decrement in the size of the cell, which can be due to progressive loss of cytoplasmic proteins. In brain tissue, atrophy describes a loss of neurons and the connections between them.
Brain atrophy is another biomarker of Alzheimer’s disease. Tau tangles identified for first time The study has continued, adding an additional 48 participants to make a total of 80.
Following an acute polio infection diagnosis symptoms such as fatiguability, general weakness and pain are believed to be correlated to muscle denervation. [8] Much like post-polio syndrome, amyotrophic lateral sclerosis also has similar symptoms of motor neuron degeneration leading to general weakness and in some cases paralysis. The type of ...
My worst symptom of menopause—and the symptom least mentioned even in my extensive internet trawling—was vaginal atrophy, the thinning and drying of the vaginal tissues, which causes extremely ...
These terms were discontinued by consensus in 1996 and replaced with MSA and its subtypes, [59] but awareness of these older terms and their definitions is helpful to understanding the relevant literature prior to 1996. These include striatonigral degeneration (SND), olivopontocerebellar atrophy (OPCA), and Shy–Drager syndrome. [60]
A feeling of pressure and squeezing in the chest is a serious indication that medical care is essential because chest pain and discomfort is one of the most common symptoms of heart attack in men.