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. Author manuscript; available in PMC: 2008 Jul 7.
Published in final edited form as: Am J Physiol Gastrointest Liver Physiol. 2003 Jun 11;285(5):G967–G979. doi: 10.1152/ajpgi.00532.2002
Measure at 210-min Surface area (%) contribution to total low-resistance paracellular pathway
Tight Junction Width (9) 0.02 µm 0.2 µm
Denuded villous surface area 3.5 × 108 µm2 (88%) 3.5 × 108 µm2 (42%)
Tight junction surface area 4.8 × 107 µm2 (12%) 4.8 × 108 µm2 (58%)
Total low-resistance paracellular pathway 3.98 × 108 µm2 8.3 × 108 µm2
Tight junction-mediated change in surface area of total paracellular pathway 2.08X
PG-mediated change in TER 1.68X