How does sodium cross the apical membrane in the PCT of the nephron?

Sodium crosses the apical membrane through sodium channels that take advantage of the low intracellular concentration of sodium established by the Na-K ATPase on the basolateral side. For more videos and questions, visit - https://www.macrophage.co. Subscribe - https://goo.gl/EMRlRa. Support us on Patreon - https://goo.gl/bhmrgJ.

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