hematology
- n the branch of medicine that deals with diseases of the blood and blood-forming organs
hematopoeitic stem cell
- n blood forming stem cells in the bone marrow; T cells and B cells arise from these stem cells
hematopoiesis
- n the formation of blood cells in the living body (especially in the bone marrow)
hematuria
- n the presence of blood in the urine; often a symptom of urinary tract disease
heme
- n a complex red organic pigment containing iron and other atoms to which oxygen binds
hemerocallidaceae
- n one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes genus Hemerocallis