17,094
edits
Changes
Jump to navigation
Jump to search
Add SEEALSO section; add category; Wikify.
<youtube>BgoTRMKrJo4</youtube>
[[Marilyn Milos]], {{RN}}, former executive director and founder of NOCIRC, discusses normal sexual function of the [[penis]] and [[foreskin]] and its loss due to [[circumcision]].
== Why do/did you have foreskin? ==
Thanks to its [[Ridged band|ridged band]], the inner lining of the foreskin is specialized sexual tissue. The ridged band readily expands and contracts and is obviously designed to detect [[stretching]] forces. When penile [[shaft skin]] tugs on the ridged band, special genital corpuscles in the peaks of the ridges detect movement and trigger ejaculation. [[Stretching]] of the ridged band may also trigger and sustain [[erection]].
Electrical stimulation of the [[glans]] triggers nerve impulses that pass to the spinal cord and then to the muscle of ejaculation. Clearly the glans has much in common with the foreskin. Where [[foreskin ]] and glans part company, functionally as well as physically, is in their sensitivity to light touch, pain and heat and cold. Contrary to common opinion, the [[glans ]] is not highly sensitive to a broad range of stimuli.
==Foreskin vs. glans ==
== Dartos muscle ==
[[Penile skin]] has two important characteristics, apparent only on [[erection]]. Firstly [[penile skin]] tenses, stiffens and shortens, firming up the connection between [[shaft skin]] and ridged band. This change allows for the transmission of movement from the base of the erect [[penis ]] to the [[ridged band]].
Secondly, [[penile skin]] undergoes a marked frictional change, brought about by stiff, forward-pointing [[skin]] folds. The mechanism is similar to that which raises goosebumps.
The changes in [[penile skin]] are brought about by contraction of the [[Dartos]] muscle. Between them, stiffening and frictionality ensure that the [[ridged band ]] is instantly alerted to changes in position of the [[penis ]] within the [[vagina]].
== Why two layers? ==
The various parts of the [[penis]], including the foreskin, form a functional whole. The [[foreskin]] is the primary sensory tissue of the [[penis]]. The [[ridged band]] of the [[foreskin]] is built to trigger orgasm and [[ejaculation]].
{{SEEALSO}}
* [[Foreskin sensitivity]]
{{ABBR}}
{{REF}}
{{DEFAULTSORT:Penis Sex Education}}
[[Category:Education]]
[[Category:Film]]
[[Category:Bonobo3D channel]]
[[Category:From IntactWiki]]