Wiktionary
hematopoietic
a. Of or pertaining to hematopoiesis alt. Of or pertaining to hematopoiesis
WordNet
hematopoietic
adj. pertaining to the formation of blood or blood cells; "hemopoietic stem cells in bone marrow" [syn: haematopoietic, hemopoietic, haemopoietic, hematogenic, haematogenic]