Bone marrow smear displaying myelocytes See all media Also called: hematopoiesis or hemopoiesis The two the pink and white blood cells crop up via a series of complex, gradual, and successive transformations from primitive stem cells, which have the opportunity to kind any with the precursors of a blood cell. https://webtechdirectory.com/listings12770054/vitamin-b12-supplements-for-dummies