Term Name:	yolk sac hematopoietic stem cell
Synonyms:	hemangioblast precursor
Definition:	A hematopoietic stem found in the yolk sac. In mice, this cell type is Sca-1-negative, CD45-negative, MHC-negative, HSA-positive, AA4.1-positive, CD44-positive.
Ontology:	Cell Ontology [CL:0002354]