Essay Archive - Drugs: Glossary and Definitions
Glossary and Definitions
Drug distribution is the process by which a drug reversibly leaves the blood
stream and enters the interstitium (extracellular fluid) and/or the cells of the
tissues. The delivery of a drug from the plasma to the interstitium primarily
depends on blood flow, capillary permeability, the degree of binding of the drug
to plasma and tissue proteins, and the relative hydrophobicity of the drug.
Excipient:
Vehicle. A more or less inert substance added in a prescription as a diluent or
vehicle or to give form or consistenc....
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