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. Author manuscript; available in PMC: 2016 Nov 3.
Published in final edited form as: J Neuropathol Exp Neurol. 2015 Sep;74(9):873–888. doi: 10.1097/NEN.0000000000000228

Figure 5.

Figure 5

No β-amyloid (Aβ42) was found in the medial temporal lobe of six age-matched control cases without dementia or neurological disease stained for Aβ42 and for hyperphosphorylated tau. Abnormal tau was found in single or several clusters in the entorhinal cortex. The age (in years) and sex (F, female; M, male), of each control case are indicated. (A) No tau is found. (B–D) One to 3 microscopic foci of tau-positive neuropil threads are found. Arrows point to some of the neuropil threads. (E, F) Larger clusters of neuropil threads and occasional cell bodies contain abnormal tau. Clusters were isolated and not connected. Scale bar in (F) represents 50 μm and applies to all figures.