Fig. 3From: Alpha fetoprotein (AFP) participates in the build up of hematopoietic cells in the early embryonic stage: an abortion case observationImmunohistochemical negative staining in early embryonic tissue and its extramedullary hematopoietic tissue. a, b, c, and d show the negative staining of CD3, CD20, CD45Ro, CD79a, respectively, suggesting that these cells are not lymphocytes. 200× magnification)Back to article page