Changes

The dartos fascia keeps the foreskin close to the glans penis throughout life.<ref>{{REFjournal

|last=Lakshmanan

|last2=Prakash

|title=Human prepuce: some aspects of structure and function

|journal=Indian J Surg

}}</ref> In infancy, the dartos fascia operates as a one-way check valve at the tip of the foreskin, allowing urine to pass out, but prohibiting the entry of foreign matter and pathogens.<ref>{{REFjournal

|last=Fleiss

|last2=Hodges

|last3=Van Howe

|title=Immunological functions of the human prepuce

|journal=Sex Trans Inf