Figure 7: Comparison of β-amyloid pathology in the cortex, hippocampus and substantia nigra in wild-type young (1-year-old), aged (5–6 years old) octodons and in APP/PS1 transgenic mice (9 months).
From: Lack of spontaneous age-related brain pathology in Octodon degus: a reappraisal of the model

(A) Cortex (Ctx); (B) Hippocampus (Hipp); (C) substantia nigra (SN). Scale bar (from the top to the bottom): (A) 40 μm; 20 μm; (B) 200 μm; 100 μm; 100 μm; 100 μm; (C) 40 μm.