Figure 1. The characteristics of ultra-thin amniotic membrane.
(A) The thickness change of amniotic membrane after digestion with collagenase type IV for different time durations. (B) H&E and Masson trichrome staining of IAM, DAM and UAM tissues (Bar: 100 μm). (C) Macroscopic views of IAM, DAM and UAM were evaluated by photography scanning in moist form and light microscope in freeze dry form. (D) Hoechst whole mount staining of IAM, DAM and UAM (Bar: 100 μm).