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. 2019 Apr 3;20(7):1664. doi: 10.3390/ijms20071664

Figure 5.

Figure 5

Neurofibrillary tangles in the cat hippocampus, transmission electron microscopy. Clusters of filaments can be found in the perikaryon in two kinds of forms: straight and paired twisted. In the case of the paired twisted form, the lengths between arrowheads were 80–100 nm. Bars = 500 nm and 100 nm (inset). N stands for Nucleus. Reprinted from Acta Neuropathologica Communications, 3, Chambers J.K., Tokuda T., Uchida K., Ishii R., Tatebe H., Takahashi E., Tomiyama T., Une Y., Nakayama H. The domestic cat as a natural animal model of Alzheimer’s disease, 78, 2015, with permission from BMC [71].