| Type | MGI:General | Description | at E13.5, embryos show a moderate expansion of hematopoietic stem and progenitor cells in the fetal liver; both HSCs (defined as Lin- Mac1+ CD41- CD48- CD150+ Sca1+ cKit+) and LSK cells (hematopoietic stem and progenitor cells, defined as Lin- Sca1+ cKit+) are expanded |