Fig. 3From: Regenerative capacity of the corneal transition zone for endothelial cell therapyTZ in different animal species. a Mouse and b rat with indistinguishable TZ. Insets showing a lack of TZ structure. Insets and magnified images. c Rabbit and d porcine TZ with a clear smooth zone between PE and TM (double-head arrows). PE, peripheral endothelium; TM, trabecular meshwork; TZ, transition zone. Scale bars, 300 μmBack to article page