Table 1:

Normal Blood Cell Development

Type of Blood Stem Cell	Intermediate Cell Type	Mature Cell Types	Normal Mature Cell Function(s)
Lymphoid	Lymphoblast	B lymphocyte	Make antibodies to fight infection
	Lymphoblast	T lymphocyte	Assist B lymphocytes to make antibodies
	Lymphoblast	Natural killer cell	Attack cancer cells and viruses
Myeloid	Myeloblast	Granulocytes	Fight infection and disease
		• Eosinophil
		• Neutrophil
		• Basophil
		Platelet	Form blood clots to stop bleeding
		Red blood cell	Carry oxygen and other nutrients to all tissues of the body

Source: National Cancer Institute.³