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Geographic atrophy (GA), also known as atrophic age-related macular degeneration (AMD) or advanced dry AMD, is an advanced form of age-related macular degeneration that can result in the progressive and irreversible loss of retinal tissue ( photoreceptors, retinal pigment epithelium, choriocapillaris) which can lead to a loss of visual function ...
Thus, if light was to get to those layers, many free radicals would form and cause damage to nearby tissues. The deepest layer that undergoes atrophy in geographic atrophy is called the choriocappilaris. It is a capillary network that provides nutrients to the retinal pigment epithelium. The pathophysiology of geographic atrophy is still uncertain.
Topographical disorientation is the inability to orient oneself in one's surroundings, sometimes as a result of focal brain damage. [1] This disability may result from the inability to make use of selective spatial information (e.g., environmental landmarks) or to orient by means of specific cognitive strategies such as the ability to form a mental representation of the environment, also known ...
Specifically, they found that over a three year period, the eyes of individuals with geographic atrophy who took antioxidants showed 39.8 microns of disease progression, compared to 73.2 microns ...
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 ...
Geographic tongue, also known by several other terms, [ note 1] is a condition of the mucous membrane of the tongue, usually on the dorsal surface. It is a common condition, affecting approximately 2–3% of the general population. [ 2][ 7] It is characterized by areas of smooth, red depapillation (loss of lingual papillae) which migrate over time.
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 can be classified into two ...
Russell listed symptoms such as "rapidly progressing dementia", unusual weight loss, "tightening of the muscles", uncoordinated gait, and muscle atrophy. [ 47 ] Based on the memo, the CBC reported that in 2019, the CJDSS had identified a cluster of eleven cases in New Brunswick, with "some common symptoms and similar potential diagnostic ...