Figure 2. The effect of structures of MT assembled in vitro from Tb and MAPs preparation isolated from the brain of rats: a) - control МТ (without Al3+ , Х30000); b)- 10 µM Al3+ (Х20000); c) - 100 µM Al3+ (Х10000); d) - 250 µM Al3+ (Х20000) [29].