Alzheimer's brain. Computer processed vertical (coronal) slice through the brain of an Alzheimer patient.The Alzheimer's disease brain is considerably shrunken,due to the degeneration and death of nerve cells. Apart from a decrease in brain volume,the surface of the brain is often more deeply folded. Tangled protein filaments (neurofibrillary tangles) occur within nerve cells and patients also develop brain lesions of beta-amyloid protein. Alzheimer's disease accounts for most cases of senile dementia. Symptoms include memory loss,disorientation,personality change and delusion | |
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Crédit: | Science Photo Library / Pasieka, Alfred |
Taille de l’image : | 4677 px × 3736 px |
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