Membrane
131Membrane analogy — The elastic membrane analogy, also known as the soap film analogy, was first published by pioneering aerodynamicist Ludwig Prandtl in 1903. [1] [2] It describes the stress distribution on a long bar in torsion. The cross section of the bar is… …
132Membrane channel — A family of biological membrane proteins which allow the passive movement of ions (ion channels), water (aquaporins) or other solutes to passively pass through the membrane down their electrochemical gradient. References Molecular Biology of the… …
