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. 2001 Aug 7;98(17):9830–9835. doi: 10.1073/pnas.181329398

Figure 2.

Figure 2

Light micrographs of trichrome-stained, transversely sectioned cryoinjured hearts on days 5, 15, and 60 with the C57BL/6 (Left) and the MRL (Right) mice. (A) C57BL/6, 5 days postinjury, 40×. (B) MRL, 5 days postinjury, 40×. (C) C57BL/6, 15 days postinjury, 4× (Inset, 40×). (D) MRL, 15 days postinjury, 4× (Inset, 40×). (E) C57BL/6, 60 days postinjury, 4×. (F) MRL, 60 days post injury, 4×. The extent of injury in MRL and C57BL/6 hearts is indicated by arrows in C and D. By day 60, the C57BL/6 wound is entirely scar tissue. Conversely, the injured MRL myocardium seems normal with only a small amount of scar tissue on the epicardial surface. The right ventricular site of injury is indicated as RV in E and F.