neurons and glial cells in the brain on red background

alzheimer alzheimers amyloid anatomy atrophy axon background bio biological biology body brain brainstorm breakdown cell cells central cerebral change death degenerates degenerating degeneration degenerative dementia dendrite diagram disease dystrophy education energy glial health healthcare healthy human hypothesis icon illustration insanity loss macro medical medicine memory micro microglia microscopic microtubules mind nerve nervous network neural neuro neurofibrillary neurological neurology neuron neuronal neurons nucleus plaque plaques protein psychiatry psychological psychology science scientific structure synapse system tangles tau unhealthy vector