Cytoskeleton is one of the defining elements of eukaryotic cells.
CYTOSKELETON
"The rapid loss of neuronal cytoskeleton dynamics not only reduces synaptic activity, but also reduces the efficiency of information transmission."

Cytoskeleton is one of the defining elements of eukaryotic cells.
In essence, the structure is the internal scaffold on which organelles are based, and the cytosols and vesicles in tissues, such as lysosomes.
There are two types of tubulin: α and β.
These proteins form hollow tubes, which form microtubules by forming filaments that bind together laterally.
Brain microtubules contain different types of tubulin, and have a variety of related proteins.