Rete pegs (aka rete processes or rete ridges or papillae) are epithelial extensions that project into the underlying connective tissue in both skin and mucous membranes.
In the epithelium of the mouth, the attached gingiva exhibit rete pegs, while the sulcular and junctional epithelia do not. Scar tissue lacks rete pegs and scars tend to shear off more easily than normal tissue as a result. Ira D. Papel (2011). Facial Plastic and
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