Visceral pain is often described as generalized aching or squeezing. It is caused by compression in and around the organs, or by stretching of the abdominal cavity. Sometimes visceral pain may radiate to other areas in the body, making it even harder to pinpoint its exact location.
Data from the largest analysis to date of amyloid plaques showed they can appear 20 or 30 years before dementia symptoms.
Amyloid Plaques and Neurofibrillary Tangles. The formation of amyloid plaques and neurofibrillary tangles are thought to contribute to the degradation of the neurons (nerve cells) in the brain and the subsequent symptoms of Alzheimer's disease.ne of the hallmarks of Alzheimer's disease is the accumulation of amyloid plaques between nerve cells (neurons) in the brain. Amyloid is a general term for protein fragments that the body produces normally.