(a). Distances between apical junctional complexes (AJC) in the different groups under study, divided by single component (TJ, AJ, and desmosomes). Legend: uCD, untreated celiac disease; tCD, treated celiac disease; WA, wheat allergy; NCGS, non-celiac gluten sensitivity; Ni ACM, Nickel allergic contact mucositis; CTRL, controls. (b). Distances between the single components of the apical junctional complexes (AJC) (TJ, AJ, and desmosomes), in the different groups under study. Legend: uCD, untreated celiac disease; tCD, treated celiac disease; WA, wheat allergy; NCGS, non-celiac gluten sensitivity; Ni ACM, Nickel allergic contact mucositis; CTRL, controls.