<prompt> All of the following stem cell populations are found within the bone marrow, except -Endothelial Progenitor cellsMyoblast Progenitor cellsMesenchymal stem cellsHematopoietic stem cells  <response>: Ans. b Myoblast Progenitor cellsRef: Robbins 9thpg 580-581Endothelial Progenitor cells, Mesenchymal stem cells and Hematopoetic stem cells are found in the bone marrow.Mesenchymal stem cells are multipotent stromal cells constituting 0.001-0.01 of bone marrow cells. 