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== Functional value ==
The [[ridged band]] of highly innervated tissue is found inside the acroposthion.<ref name="taylor1996">{{TaylorJR LockwoodAP TaylorAJ 1996}}</ref> Winkelmann (1959) classified the foreskin, which includes the acroposthion, as "specific erogenous tissue".<ref name="winklemann1959">{{WinkelmannRK 1959}}</ref> The acroposthion, like the rest of the [[foreskin]], is heavily endowed with [[Meissner's corpuscles]], which respond to mechanical stimulation by producing pleasurable sexual sensation.<ref name="garcía-mesa2021">{{REFjournal
|DOI=10.1111/joa.13481
|accessdate=2021-11-17
}}</ref> The additional length of skin provided by the acroposthion enhances the [[gliding action]]. The acroposthion may be gradually lengthened over time by [[tissue expansion]].
Moreover, the acroposthion protects the [[glans penis]] and helps to prevent [[keratinization]], while preserving sensitivity. It has also been observed that the acroposthion is useful for containing [[pre-ejaculate]].
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