Calcium is unique among metals because its ions have a very large concentration gradient across the plasma membrane of all cells, from 10 â3 M Ca 2+ outside, to 10 â7 M Ca 2+ inside.
Originally Posted by Quinne. I think it has a lot to do with motives.... What I learned through studying Alcohol & other Drug work is that in counselling terms, a lapse is a hiccup and a relapse is full-blown return to old behaviours, as well as active addiction.
In the context of drug use, relapse or reinstatement of drug-seeking behavior, is a form of spontaneous recovery that involves the recurrence of pathological drug use after a period of abstinence. Relapse is often observed in individuals who have developed a drug addiction or either form of drug dependence.