SEARCH Articles Figures Tables Axial tracheids Cell structure tracheid Cell wall tracheid structure Differentiation tracheid Earlywood tracheids, cell walls Latewood tracheids Longitudinal tracheid Plant cells tracheids Ray tracheids Softwoods cell wall structure, tracheid Spruce tracheids The Cell Wall Structure of a Softwood Tracheid Tracheid avicelase-treated Tracheid cell walls Tracheid compression Tracheid wall after mannanase treatment Tracheids hardwood Tracheids softwood Xylem tracheid