membrane capacitancemedical dictionary

The electrical capacitance of a membrane. Plasma membranes are excellent insulators and dielectrics: capacitance is the measure of the quantity of charge that must be moved across unit area of the membrane to produce unit change in membrane potential and is measured in Farads. most plasma membranes have a capacitance around 1 microfarad cmexp 2.

This entry appears with permission from the Dictionary of Cell and Molecular Biology

(11 Mar 2008)