Permeability
| Definition: |
Property of membranes and other structures to permit passage of light, heat, gases, liquids, metabolites, and mineral ions. |
| Notes: |
coord NIM with substance /pharmacokin (IM) or /metab (IM) or tissue /metab (IM); for nonbiological material coord with substance /chem (IM); note VASCULAR PERMEABILITY see CAPILLARY PERMEABILITY |
Permeability Categories.
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Osmotic Pressure - The pressure required to stop osmosis through a semipermeable membrane between a solution and pure solvent. It is proportional to the osmolality of the solution. Osmotic shock is a sudden change in the osmotic pressure to which a cell is subjected, usually in order to cause it to lyse and lose its contents. (Dorland, 28th ed; Stedman, 26th ed) |
Permeability Definitions and Terms
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