4. Delineate the urban growth boundary. Factor desired development patterns, likely service areas and projected land requirements into drawing an urban growth boundary for your community. Determine how many acres of vacant land are needed to accommodate future population and growth.
During proliferation, the wound is ârebuiltâ with new granulation tissue which is comprised of collagen and extracellular matrix and into which a new network of blood vessels develop, a process known as âangiogenesisâ.
Macrophages also secrete a number of factors such as growth factors and other cytokines, especially during the third and fourth post-wounding days. These factors attract cells involved in the proliferation stage of healing to the area. Macrophages may also restrain the contraction phase.he antigen presentation on the surface of infected macrophages (in the context of MHC class II) in a lymph node stimulates TH1 (type 1 helper T cells) to proliferate (mainly due to IL-12 secretion from the macrophage).