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Morphometric analysis of LFs from HT and GD compared with LFs from LNs and PTs. Solid bar, area occupied by the GC; hatched bar, area occupied by the MZ. Number of LFs studied: LNs, 39; PTs, 26; GDs, 20; and HTs, 37. The asterisks indicate significant differences between total LF areas: ****, P < 0.001; ***, P < 0.00.5; *, P < 0.05. The table below gives numerical values ± SD.
