Occur when the fibers of the axon become twisted together. neurofibrillary tangles granulovacuolar bodies synaptic nodes neuritic plaques

Neurofibrillary Tangles.

Explanation:

Neurofibrillary tangles occur when the axon fibers become twisted together. This is due to a chemical change in the structure of tau protein, which is responsible for the formation of microtubules that carry nutrients and information on neuron extensions to your cell body and vice versa. Modified, the protein destabilizes the microtubules, leading to the breakdown of this system and the death of neurons.

this protocol provides a detailed procedure for nucleoprotein extraction from cultured cells and tissues in an efficient manner.

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.