The urge to ejaculate once a man has an erection

Writ by Oregonleatherboy

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is a natural physiological response that is primarily driven by the brain's release of hormones and neurotransmitters. When a man becomes sexually aroused, his brain triggers the release of dopamine, a neurotransmitter that is associated with pleasure and reward. This release of dopamine activates the hypothalamus, which then signals the pituitary gland to release:

luteinizing hormone (LH)
and follicle-stimulating hormone (FSH).

These hormones stimulate the testes to produce Testosterone, which plays a key role in sexual function.

Testosterone is responsible for:

maintaining sexual desire

promoting the development of male sexual characteristics.

It also plays a crucial role in the process of ejaculation.

When a man becomes sexually aroused, his body produces more Testosterone, which causes the prostate gland and seminal vesicles to secrete fluids that mix with sperm to form semen. As sexual stimulation continues, the penis becomes erect as blood flow increases to the area. The pressure from this increased blood flow stimulates nerve endings in the penis, which then send signals to the spinal cord and brain.

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Once these signals reach the brain, they trigger a series of reflexes that result in ejaculation. The first stage of ejaculation involves contractions of the:

vas deferens

seminal vesicles

and prostate gland

which force semen into the urethra. The second stage involves contractions of the muscles at the base of the penis, which propel semen out of the body through the urethra.

The urge to ejaculate is also influenced by psychological factors such as:

attraction

desire

and arousal.

Sexual fantasies or visual stimuli can trigger a physical response that leads to an erection and subsequent ejaculation. Additionally, emotional factors such as stress or anxiety can inhibit sexual function and reduce the likelihood of ejaculation.

Overall, the urge to ejaculate once a man has an erection is a complex physiological response that involves multiple hormones, neurotransmitters, and reflexes. It is a natural and necessary part of sexual function that is essential for reproduction and can also provide pleasure and intimacy in sexual relationships.

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Authoritative Reference

Mayo Clinic: https://www.mayoclinic.org/diseases-conditions/erectile-dysfunction/in-depth/how-an-erection-occurs/art-20047764

WebMD: https://www.webmd.com/men/how-ejaculation-works#1

Healthline: https://www.healthline.com/health/male-orgasm-and-ejaculation#how-it-works

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