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Fig. 1. Keratinocyte E-lam formation in mucosal wounds and in vitro. (A) Electron
micrograph of migrating keratinocytes in 3-day-old human mucosal wounds.
Arrows mark cellular extensions formed by wound keratinocytes. wb, wound bed;
kc, keratinocyte. (B) A photograph of primary mouse keratinocytes grown in
medium containing fibroblast conditioned medium and EGF (4 ng/ml). Arrows mark
E-lams. (C) HaCaT keratinocytes were treated with EGF (4 ng/ml) in DMEM
containing 1% FBS for 48 hours and then photographed. Arrows mark E-lams.
Scale bar: 10 µm.
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