The Penis - Sex Education 101: Difference between revisions
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<youtube>BgoTRMKrJo4</youtube> | <youtube>BgoTRMKrJo4</youtube> | ||
[[Marilyn Milos]], {{RN}}, executive director and founder of NOCIRC, discusses normal sexual function of the penis and foreskin and its loss due to circumcision. | [[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? == | == Why do/did you have foreskin? == | ||
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== A well-integrated organ == | == A well-integrated organ == | ||
Structurally, the penis is highly integrated. The [[glans]], [[foreskin]] and [[skin]] of the penile shaft function as a single unit, not as a collection of separate parts with entirely different functions. The functions of the [[glans]] and [[foreskin]] are similar, and overlapping, but come fully into their own at different times during intercourse. | Structurally, the [[penis]] is highly integrated. The [[glans]], [[foreskin]] and [[skin]] of the penile shaft function as a single unit, not as a collection of separate parts with entirely different functions. The functions of the [[glans]] and [[foreskin]] are similar, and overlapping, but come fully into their own at different times during intercourse. | ||
== Simple sensations == | == Simple sensations == | ||
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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]]. | 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. | 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 == | ==Foreskin vs. glans == | ||
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== Dartos muscle == | == 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. | [[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. | 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. | 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? == | == Why two layers? == | ||
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== Summary == | == Summary == | ||
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]]. | 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]] | |||
* [[Sexual effects of circumcision]] | |||
{{ABBR}} | {{ABBR}} | ||
{{REF}} | {{REF}} | ||
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{{DEFAULTSORT:Penis Sex Education}} | {{DEFAULTSORT:Penis Sex Education}} | ||
[[Category:Education]] | |||
[[Category:Film]] | [[Category:Film]] | ||
[[Category:Bonobo3D channel]] | [[Category:Bonobo3D channel]] | ||
[[Category:From IntactWiki]] | [[Category:From IntactWiki]] | ||