Fig. 1From: Risk factors influencing survival of acellular porcine corneal stroma in infectious keratitis: a prospective clinical studyArchitecture of acellular porcine corneal stroma (APCS). Hematoxylin and eosin (H&E) staining of APCS (a) and human cornea (b). Total magnification = 100×. Scanning electron micrography (SEM) images of APCS (c) and human cornea (d). Total magnification = 1000×Back to article page