Role of hemacytoblasts Study guides, Class notes & Summaries

Advanced Phys Study Guide Exam 3 1. Where do blood cells arise from during embryonic development? • yolk sac in vertebrate embryo produce stem cells that colonize fetal bone marrow, liver, spleen & thymus • liver stops producing blood cells at birth, but spleen and thymus remain involved with WBC production • red bone marrow (myeloid hematopoiesis) produces RBCs, WBCs and platelets 2. Role of hemacytoblasts (stem cells)? What are the major cell lines they can follow to mature into b...