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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone Basics & Questions
Morning wood on exogenous TRT
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<blockquote data-quote="Cataceous" data-source="post: 205915" data-attributes="member: 38109"><p>Although it's partly speculative, the <a href="https://en.wikipedia.org/wiki/Nocturnal_penile_tumescence#Mechanism" target="_blank">Wiki entry</a> is worth reading:</p><p></p><p style="margin-left: 20px"><em>The cause of nocturnal penile tumescence is not known with certainty. Bancroft (2005) hypothesizes that the <a href="https://en.wikipedia.org/wiki/Norepinephrine" target="_blank">noradrenergic</a> neurons of the <a href="https://en.wikipedia.org/wiki/Locus_ceruleus" target="_blank">locus ceruleus</a> are <a href="https://en.wikipedia.org/wiki/Neuron#Action_on_other_neurons" target="_blank">inhibitory</a> to penile erection, and that the cessation of their discharge that occurs during rapid eye movement sleep may allow <a href="https://en.wikipedia.org/wiki/Testosterone" target="_blank">testosterone</a>-related excitatory actions to manifest as nocturnal penile tumescence.<a href="https://en.wikipedia.org/wiki/Nocturnal_penile_tumescence#cite_note-5" target="_blank">[5]</a> Suh et al. (2003) recognizes that in particular the spinal regulation of the cervical cord is critical for nocturnal erectile activity.<a href="https://en.wikipedia.org/wiki/Nocturnal_penile_tumescence#cite_note-6" target="_blank">[6]</a></em></p> <p style="margin-left: 20px"></p> <p style="margin-left: 20px"><em>Evidence supporting the possibility that a full <a href="https://en.wikipedia.org/wiki/Bladder" target="_blank">bladder</a> can stimulate an erection has existed for some time and is characterized as a 'reflex erection'.<a href="https://en.wikipedia.org/wiki/Nocturnal_penile_tumescence#cite_note-7" target="_blank">[7]</a> The nerves that control a man’s ability to have a reflex erection are located in the <a href="https://en.wikipedia.org/wiki/Sacral_nerves" target="_blank">sacral nerves</a> (S2-S4) of the <a href="https://en.wikipedia.org/wiki/Spinal_cord" target="_blank">spinal cord</a>.<a href="https://en.wikipedia.org/wiki/Nocturnal_penile_tumescence#cite_note-8" target="_blank">[8]</a> A full bladder is known to mildly stimulate nerves in the same region.</em></p> <p style="margin-left: 20px"></p> <p style="margin-left: 20px"><em>The possibility of a full bladder causing an erection, especially during sleep, is perhaps further supported by the beneficial physiological effect of an erection inhibiting urination, thereby helping to avoid <a href="https://en.wikipedia.org/wiki/Nocturnal_enuresis" target="_blank">nocturnal enuresis</a>[<a href="https://en.wikipedia.org/wiki/Wikipedia:Citation_needed" target="_blank">citation needed</a>]. However, given females have a similar phenomenon called <a href="https://en.wikipedia.org/wiki/Nocturnal_clitoral_tumescence" target="_blank">nocturnal clitoral tumescence</a>, prevention of nocturnal enuresis (bed-wetting) is not likely a sole supporting cause.</em><a href="https://en.wikipedia.org/wiki/Nocturnal_penile_tumescence#cite_note-9" target="_blank"><em>[9]</em></a></p></blockquote><p></p>
[QUOTE="Cataceous, post: 205915, member: 38109"] Although it's partly speculative, the [URL='https://en.wikipedia.org/wiki/Nocturnal_penile_tumescence#Mechanism']Wiki entry[/URL] is worth reading: [INDENT][I]The cause of nocturnal penile tumescence is not known with certainty. Bancroft (2005) hypothesizes that the [URL='https://en.wikipedia.org/wiki/Norepinephrine']noradrenergic[/URL] neurons of the [URL='https://en.wikipedia.org/wiki/Locus_ceruleus']locus ceruleus[/URL] are [URL='https://en.wikipedia.org/wiki/Neuron#Action_on_other_neurons']inhibitory[/URL] to penile erection, and that the cessation of their discharge that occurs during rapid eye movement sleep may allow [URL='https://en.wikipedia.org/wiki/Testosterone']testosterone[/URL]-related excitatory actions to manifest as nocturnal penile tumescence.[URL='https://en.wikipedia.org/wiki/Nocturnal_penile_tumescence#cite_note-5'][5][/URL] Suh et al. (2003) recognizes that in particular the spinal regulation of the cervical cord is critical for nocturnal erectile activity.[URL='https://en.wikipedia.org/wiki/Nocturnal_penile_tumescence#cite_note-6'][6][/URL][/I][/INDENT] [INDENT][I][/I][/INDENT] [INDENT][I]Evidence supporting the possibility that a full [URL='https://en.wikipedia.org/wiki/Bladder']bladder[/URL] can stimulate an erection has existed for some time and is characterized as a 'reflex erection'.[URL='https://en.wikipedia.org/wiki/Nocturnal_penile_tumescence#cite_note-7'][7][/URL] The nerves that control a man’s ability to have a reflex erection are located in the [URL='https://en.wikipedia.org/wiki/Sacral_nerves']sacral nerves[/URL] (S2-S4) of the [URL='https://en.wikipedia.org/wiki/Spinal_cord']spinal cord[/URL].[URL='https://en.wikipedia.org/wiki/Nocturnal_penile_tumescence#cite_note-8'][8][/URL] A full bladder is known to mildly stimulate nerves in the same region.[/I][/INDENT] [INDENT][I][/I][/INDENT] [INDENT][I]The possibility of a full bladder causing an erection, especially during sleep, is perhaps further supported by the beneficial physiological effect of an erection inhibiting urination, thereby helping to avoid [URL='https://en.wikipedia.org/wiki/Nocturnal_enuresis']nocturnal enuresis[/URL][[URL='https://en.wikipedia.org/wiki/Wikipedia:Citation_needed']citation needed[/URL]]. However, given females have a similar phenomenon called [URL='https://en.wikipedia.org/wiki/Nocturnal_clitoral_tumescence']nocturnal clitoral tumescence[/URL], prevention of nocturnal enuresis (bed-wetting) is not likely a sole supporting cause.[/I][URL='https://en.wikipedia.org/wiki/Nocturnal_penile_tumescence#cite_note-9'][I][9][/I][/URL][/INDENT] [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone Basics & Questions
Morning wood on exogenous TRT
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