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:
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.he healing processes include blood clotting, tissue mending, scarring, and bone healing. See also wound healing. 2. the process of helping someone return to health; compassion by a health care provider is part of this. Authentic perception of the experience of illness in the particular person is the essential basis.