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(A) Histological staining of fresh human amniotic membrane. hAEC: human amniotic epithelial cell, hAMSC: human amniotic mesenchymal stromal cell. (B) Representative structure of human amniotic membrane. The epithelial side, which consists of a monolayer of hAECs, and the mesenchymal layer, composed of hAMSC. A thick basement membrane separates both sides.
