The effect of calcium on the sodium permeability of a giant nerve fibre.
D002118:Calcium / Q000494:pharmacology*; D006801:Humans; D009412:Nerve Fibers; D009474:Neurons; D010539:Permeability; D012964:Sodium / Q000378:metabolism*
D012964:Sodium; D002118:Calcium
CALCIUM/effects; NEURONS; SODIUM/metabolism