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The hUC blood composition. This illustration depicts the roles of the (A) cellular and (B) acellular components, in tissue regeneration processes. EVs, extracellular vesicles; GF, growth factors; hUC, human umbilical cord; hUC-MSCs, human umbilical cord mesenchymal stem cells; hUCP, human umbilical cord plasma; hUCS, human umbilical cord serum; and NK cells, natural killer cells.
