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Testosterone Replacement, Low T, HCG, & Beyond
When Testosterone Is Not Enough
Thyroid disorders and male sexual dysfunction
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<blockquote data-quote="madman" data-source="post: 266072" data-attributes="member: 13851"><p><em><strong>*Prior to understanding how TH impacts ejaculatory function, it is essential to review how ejaculatory mechanisms work. <u>Ejaculation or the expulsion of seminal fluid is defined as a spinal reflex triggered by genital and/or brain stimulation that occurs in three phases</u>: emission, expulsion, and orgasm [50]</strong>. <strong><u>The spinal ejaculation generator (SEG) is located at spinal levels T12-L2 and is responsible for coordinating this reflex</u> [50]. Initially, afferent signals, either from genital nerves or supraspinal (brain) neurons, cause excitation of the SEG and activation of sympathetic and parasympathetic nerves. Parasympathetic nerves stimulate production of seminal fluid, and sympathetic nerves induce spermatozoal transport through the contraction of the vas deferens and seminal vesicles. Next, adrenergic neurons in the pelvis stimulate contraction of the seminal vesicles and prostate, causing seminal and spermatic fluid to pool in the prostatic urethra, which eventually stimulates the urethral-muscular reflex. <u>Final ejaculation is stimulated by somatic nerves from S2-S4 (pudendal), which activate the levator ani, bulbocavernosus, and bulbospongiosus muscles to rhythmically contract</u> [50].</strong></em></p></blockquote><p></p>
[QUOTE="madman, post: 266072, member: 13851"] [I][B]*Prior to understanding how TH impacts ejaculatory function, it is essential to review how ejaculatory mechanisms work. [U]Ejaculation or the expulsion of seminal fluid is defined as a spinal reflex triggered by genital and/or brain stimulation that occurs in three phases[/U]: emission, expulsion, and orgasm [50][/B]. [B][U]The spinal ejaculation generator (SEG) is located at spinal levels T12-L2 and is responsible for coordinating this reflex[/U] [50]. Initially, afferent signals, either from genital nerves or supraspinal (brain) neurons, cause excitation of the SEG and activation of sympathetic and parasympathetic nerves. Parasympathetic nerves stimulate production of seminal fluid, and sympathetic nerves induce spermatozoal transport through the contraction of the vas deferens and seminal vesicles. Next, adrenergic neurons in the pelvis stimulate contraction of the seminal vesicles and prostate, causing seminal and spermatic fluid to pool in the prostatic urethra, which eventually stimulates the urethral-muscular reflex. [U]Final ejaculation is stimulated by somatic nerves from S2-S4 (pudendal), which activate the levator ani, bulbocavernosus, and bulbospongiosus muscles to rhythmically contract[/U] [50].[/B][/I] [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
When Testosterone Is Not Enough
Thyroid disorders and male sexual dysfunction
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