Species Tissue CellType Marker Resource Human Yolk sac Endothelial cell CDH5, THBS1 33340451 Human Yolk sac Epithelial cell AFP, EPCAM 33340451 Human Yolk sac Erythrocyte ALAS2, GYPA, KLF1 33340451 Human Yolk sac Macrophage C1QA, CD14 33340451 Human Yolk sac Megakaryocyte CD9, GP1BA, ITGA2B, SELP 33340451 Human Yolk sac Megakaryocyte-erythroid progenitor cell CD34, GATA1, GATA2 33340451 Human Yolk sac Mesenchymal cell ACTC1 33340451 Human Yolk sac Progenitor cell CD34, SPINK2 33340451