Erythropoiesis = formation of erythrocytes. 1  the body must produce about 2.5 million new RBCs every second. 2  in adults, erythropoiesis occurs mainly in the marrow of the sternum, ribs, vertebral processes, and skull bones. 3  begins with a cell called a hemocytoblast or stem cell (below)  rate is regulated by oxygen levels:
1 Second Intention Healing â A wound that is extensive and involves considerable tissue loss, and in which the edges cannot be brought together heals in this manner. 2  This is how pressure ulcers heal. 3  Secondary intention healing differs from primary intention healing in three ways:
Authentic perception of the experience of illness in the particular person is the essential basis. healing by first intention (healing by primary intention) wound healing in which restoration of continuity occurs directly by fibrous adhesion, without formation of granulation tissue; it results in a thin scar.Healing by primary, or first intention. In primary wound healing there is no tissue loss.A, Incised wound is held together by a blood clot and possibly by sutures or surgical clamps.uthentic perception of the experience of illness in the particular person is the essential basis. healing by first intention (healing by primary intention) wound healing in which restoration of continuity occurs directly by fibrous adhesion, without formation of granulation tissue; it results in a thin scar.