Alzheimer's brain and vitamin E molecule
Numéro d’image : 11671859
| Alzheimer's brain. Computer processed vertical (coronal) slice through the brain of an Alzheimer patient (at left) compared with a normal brain (at right). The Alzheimer's disease brain (brown) 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. It ultimately leads to death. Shown between the slices is a vitamin E molecule,which may slow or halt cognitive decline and effects of Alzheimer's. Atoms are represented as sticks and are colour-coded: carbon (grey),hydrogen (green) and oxygen (red) | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Pasieka, Alfred |
| Taille de l’image : | 5500 px × 4500 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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