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:
See also wound healing. intention tremor. tremor of the head or a limb which increases as the patient tries to perform a particular function, e.g. following a moving object by moving the head. See also intention tremor.