During pregnancy, these painless tightenings are called Braxton Hicks contractions. When you are having regular, painful contractions that feel stronger and last more than 30 seconds, labour may have started. As labour gets going, your contractions tend to become longer, stronger and more frequent. During a contraction, the muscles in your womb contract and the pain increases.
During initial stages of assimilation, Borg nanoprobes began attaching themselves to the victim's red blood cells, allowing them to circulate throughout the body. (VOY :  Scorpion ) Within minutes, the nanoprobes spread visibly through the capillaries of the victim's skin.
Home Â» Main Page Â» Absorption Â» Assimilation. Definition. noun. (1) The act or process of assimilating; the state of being assimilated. (2) The conversion of nutriment into a useable form (e.g. liquid or solid) that is incorporated into the tissues and organs following the processes of digestion. (3) The chemical alteration of substances in the bloodstream by the liver or cellular secretions.