Fig. 7From: Microbial erosion assessment on waterlogged archaeological woods (WAWs) from a Chinese ancient shipwreck, Nanhai No. 1The total erosion cell structures of archaeological woods from Nanhai No. 1 shipwreck. a The cell layer blurred and only partial middle lamella of the ray cells (arrow) left (Sample 19, tangential section, LM). b Fragile middle lamella frame from Sample 11 (SEM). c Deformed cell and the cell cavity filled with bacteria (Sample 18, SEM). d Cells deformation, cell walls ruptured (arrow) and residues outflow from cells (Sample 11, TEM)Back to article page