Causes of keloids and hypertrophic scars. Healing of the skin is a deceptively complex process involving multiple interactions of intracellular cascades and signaling. These processes include among other elements bio-molecules, lipids, calcium, growth factors, cell surface receptors, mast cells, injury signals and cytokines.
Incessant definition, continuing without interruption; ceaseless; unending: an incessant noise. See more.
Instigate implies responsibility for initiating or encouraging someone else's action and usually suggests dubious or underhanded intent (he was charged with instigating a conspiracy). Another similar word, foment, implies causing something by means of persistent goading (the leader's speeches fomented a rebellion).