Figure 3
From: Altered platelet and coagulation function in moderate-to-severe COVID-19

Representative scanning electron micrographs of in vitro blood clots from COVID-19 patients with a low (13%) (a) and high (49%) (b) extent of clot contraction. Er—partially deformed erythrocytes, F—fibrin, P—fully deformed polyhedral erythrocytes (polyhedrocytes). Magnification bars: 15 µm.