Absorption

Intestinal absorption After ingestion of a drug, the active ingredient must first be released. This process is called release (liberation), and it is a prerequisite for subsequent absorption. Absorption (formerly: resorption) is the passage of an active pharmaceutical ingredient from the digestive pulp into the bloodstream in the stomach and intestines. Absorption occurs primarily in … Absorption

Plasma Concentration

Definition Plasma concentration is the concentration of a pharmaceutical agent in blood plasma at a given time after administration. Plasma is the liquid portion of blood excluding its cellular components. Concentration is typically expressed in µg/ml. Plasma concentration-time curves If plasma levels are measured several times after administration, a plasma concentration-time curve can be constructed … Plasma Concentration