Assertion: vesicle membrane | /r/HasAspect | different permeabilities
Facets:
value: to different ions
type: TRANSITIVE-OBJECT
Source sentences:
text: In 1949, Alan Hodgkin and Bernard Katz refined Bernstein's hypothesis by considering that the axonal membrane might have different permeabilities to different ions; in particular, they demonstrated the crucial role of the sodium permeability for the action potential.[bf]