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→Protective functions
=== Protective functions ===
The foreskin provides physical protection to the [[glans penis]] and inner mucosa, supplying moisture and natural oils by [[transudation]], protecting the mucosal tissue from pathogens, pollutants, friction, injury, [[keratinization]], and drying out. The foreskin protects the glans penis and meatus of infant boys from abrasion and irritation from ammoniacal diapers.<ref name="gairdner1949">{{REFjournal
|last=Gairdner
|first=D.