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Rete pegs (also known as rete processes or rete ridges) are the 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 sulcularItoiz, ME; Carranza, FA: The Gingiva. In Newman, MG; Takei, HH; Carranza, FA; editors: ''Carranza’s Clinical Periodontology'', 9th Edition. Philadelphia: W.B. Saunders Company, 2002. pages 23. and junctional epithelia do not.Page, RC; Schroeder, HE. "Pathogenesis of Inflammatory Periodontal Disease: A Summary of Current Work." ''Lab Invest'' 1976;34(3):235-249 Scar tissue lacks rete pegs and scars tend to shear off more easily than normal tissue as a result. Also known as ''papillae'', they are downward thickenings of the epidermis between the dermal papillae.

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{{Reflist Category:Dermatology