Haematopoietic stem cells (HSCs) first arise in close association with intraembryonic and extraembryonic blood vessels, then undergo haematopoiesis in the fetal liver and spleen and later in the bone ...
Haematopoietic stem cell (HSC) niches are present in diverse tissues throughout development, beginning in the aorta–gonad–mesonephros (AGM) region and the yolk sac, followed by the placenta, fetal ...