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. 2018 Oct 26:499–515. doi: 10.1016/B978-0-12-805306-5.00020-1

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Copyright © 2018 Elsevier Inc. All rights reserved.

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Figure 20.5 — Cardiomyopathy in a free-ranging black rat.

(A) There is multifocal disruption and replacement of the myocardium by fibrosis (blue-green staining), Movat pentachrome. (B) Cardiomyocyte degeneration is characterized by cell swelling, anisocytosis, and anisokaryosis and loss of cross striations. Cells are separated and surrounded by increased amounts of fibrosis (blue-green staining) and lymphoplasmacytic inflammation, Movat pentachrome.