These stem cells are pluripotent, meaning they can give rise to many different types of other cells and formed elements.  Hematopoietic stem cells are found in bone marrow and notably produce:

- lymphoid progenitors 
- myeloid stem cells

(Photo credits in References)

Hematopoietic Stem Cells

The process by which hematopoietic stem cells differentiate into different kinds of blood cells that later mature for circulation in the blood

University of Notre Dame

Cellular defenses of the innate immune response can be attributed to white blood cells (leukocytes), which is a type of formed element in the non-fluid component of blood. Cellular components of immune responses are composed of many subtypes of leukocytes that all arise from hematopoiesis. 

Cellular Defenses of the Innate Immune Response

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