Epithelial Transport

Description

The Kidneys Mind Map on Epithelial Transport, created by jessica.neilan on 26/05/2013.
jessica.neilan
Mind Map by jessica.neilan, updated more than 1 year ago
jessica.neilan
Created by jessica.neilan almost 11 years ago
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Resource summary

Epithelial Transport
  1. Transporters set up multiple gradients which drive paracellular and transcellular movement
    1. Oncotic, Chemical and Voltage gradients
    2. Epithelia cells isolate the internal environment from the external environment and regulate the movement of solutes and water to and from the body
      1. 2 Types of epithelia: absorptive and secretive
        1. The assymetrical distribution of carriers in the seperate membranes of the cells allows vectorial transport to take place
        2. Tight junctions seperate the basolateral and apical membrane of the cell, hold the cells together and reflect solutes and water
          1. TIGHT: prevent significant movement of molecules between cells, high transepithelial potential difference, can withstand high osmotic gradients and found distally
            1. LEAKY: prlow transepithelial potential difference
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