Renal Tubular Transport #5. S1 Segment, Proximal Tubule. Sodium Transport 5 (Sodium/Sulfate Transport)

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Picture Steemit Renal Tubular Transport.jpg

This post is showing the sodium transport coupled with the transport of the sulfate ion in the apical membrane of the S1 segment of the proximal tubule.

  • The Na/K ATPase, which brings 2 potassium ions into the cell and releases 3 sodium ions into the interstitial space.
  • The sodium/sulfate cotransporter (NaS1) at the apical membrane, which brings in 3 sodium ions from the filtrate together with 1 sulfate ion.

This will be shown again in a future post when sulfate transport is reviewed

Picture Steemit Tubular Cell Sodium Transport 5.jpg

Previous Posts in this Series
Renal Tubular Transport #1. S1 Segment, Proximal Tubule. Sodium Transport 1
Renal Tubular Transport #2. S1 Segment, Proximal Tubule. Sodium Transport 2
Renal Tubular Transport #3. S1 Segment, Proximal Tubule. Sodium Transport 3
Renal Tubular Transport #4. S1 Segment, Proximal Tubule. Sodium Transport 4


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