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Some prefer a particular type of clothing to urinate. Becoming noticeably desperate or wetting oneself with the express purpose of being seen by strangers. Practitioners have described going to public places such as a mall or a park. Some intend to create situations where others can see their wet clothing.

Within the BDSM community, some individuals desire vidwos be used as a human urinal and some desire to use a human urinal. The submissive is usually strictly forbidden from placing their lips directly on the PPissing of the dominant so the practice Pjssing involves them receiving much of the spray all over their videod, hair and body; however, another way of doing this that applies mostly to male dominants, is to place the mouth on the head of the penis and drink the urine as it is released. One other, less common variation of this kink involves the dominant partner urinating inside the submissive partner's vagina or anus, which is usually followed up by the submissive partner ejecting the urine from their orifice s.

The act of holding one's own urine until the need to urinate is urgent, making another hold in their urine, or watching another person with an urgent need to urinate. This fetish sometimes originates from childhood memories of needing, or of seeing another needing, to urinate. Arousal may be triggered by seeing the body movements or facial expressions of that person.

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It can also be heightened by the person saying that they have to urinate. The arousal from being desperate comes from the sensation of having a full bladder. The strategies and tactics that are used to smuggle one of the couple into and out of the toilet undetected are as important or almost as important as the urination. The activity is done by itself or as a part of or prelude to other activities which many times involve sex. Seeing another urinate without the person's knowledge either through video taping by a hidden camera, or by lurking in locations where people are urinating or are likely to have an urge to urinate. Frequency Jennifer Eve Rehor of San Francisco State University points out that such data as exists on what she calls "unconventional" or "kink" sexual behavior is generally problematic because of the way that it has been collected, through criminal and Pissing videos case studies.

Rehor therefore surveyed 1, female participants in "kink" behavior mostly association with BDSM inreceiving 1, valid responses. What Rehor calls "urine play" is relatively infrequent, with only American musician who was featured urinating on a woman in a sex Pissing videosand was sued for videotaping dozens of women in the bathroom of a restaurant he owned. Micturition is fundamentally a spinobulbospinal reflex facilitated and inhibited by higher brain centers such as the pontine micturition center and, like defecationsubject to voluntary facilitation and inhibition. The state of the reflex system is dependent on both a conscious signal from the brain and the firing rate of sensory fibers from the bladder and urethra.

When the individual is ready to urinate, he or she consciously initiates voiding, causing the bladder to contract and the outlet to relax. Voiding continues until the bladder empties completely, at which point the bladder relaxes and the outlet contracts to re-initiate storage. During the storage phase the internal urethral sphincter remains tense and the detrusor muscle relaxed by sympathetic stimulation. During micturition, parasympathetic stimulation causes the detrusor muscle to contract and the internal urethral sphincter to relax.

The external urethral sphincter sphincter urethrae is under somatic control and is consciously relaxed during micturition. In infants, voiding occurs involuntarily as a reflex. The ability to voluntarily inhibit micturition develops by the age of 2—3 years, as control at higher levels of the central nervous system develops. Storage phase During storage, bladder pressure stays low, because of the bladder's highly compliant nature. A plot of bladder intravesical pressure against the depressant of fluid in the bladder called a cystometrogramwill show a very slight rise as the bladder is filled.

This phenomenon is a manifestation of the law of Laplacewhich states that the pressure in a spherical viscus is equal to twice the wall tension divided by the radius. In the case of the bladder, the tension increases as the organ fills, but so does the radius. Therefore, the pressure increase is slight until the organ is relatively full. The bladder's smooth muscle has some inherent contractile activity; however, when its nerve supply is intact, stretch receptors in the bladder wall initiate a reflex contraction that has a lower threshold than the inherent contractile response of the muscle. Action potentials carried by sensory neurons from stretch receptors in the urinary bladder wall travel to the sacral segments of the spinal cord through the pelvic nerves.

Low-frequency afferent signals cause relaxation of the bladder by inhibiting sacral parasympathetic preganglionic neurons and exciting lumbar sympathetic preganglionic neurons. Conversely, afferent input causes contraction of the sphincter through excitation of Onuf's nucleus, and contraction of the bladder neck and urethra through excitation of the sympathetic preganglionic neurons. Diuresis production of urine by the kidney occurs constantly, and as the bladder becomes full, afferent firing increases, yet the micturition reflex can be voluntarily inhibited until it is appropriate to begin voiding.

Voiding phase Urinating woman Urinating man Voiding begins when a voluntary signal is sent from the brain to begin urination, and continues until the bladder is empty. Bladder afferent signals ascend the spinal cord to the periaqueductal graywhere they project both to the pontine micturition center and to the cerebrum.

Once the voluntary signal to begin voiding has been issued, neurons in pontine micturition center fire maximally, causing excitation of sacral preganglionic neurons. The firing Piszing these neurons vkdeos the wall of the bladder to contract; as a result, a sudden, videeos rise in intravesical pressure occurs. The pontine micturition center also causes inhibition of Onuf's nucleus, resulting in relaxation of the external urinary sphincter. The micturition reflex normally produces a series of contractions of the urinary bladder. The flow of urine through the urethra has an overall excitatory role in micturition, which helps sustain voiding until the bladder is empty.

For smaller mammals a different phenomenon occurs, where urine is discharged as droplets, and urination in smaller mammals, such as mice and rats, can occur in less than a second. Voluntary control The mechanism by which voluntary urination is initiated remains unsettled.

In signals the possibility to contact is felt in the barbed grinding region when the right is full. Behaviours taking a piss on took girls, steep up their outfits before trying them like the daters they are, i don't, if that's not every fun i don't think what is!.

After transection of the brain stem just above the pons, the threshold is lowered and less bladder filling is required videod trigger it, whereas after transection at the Piissing of the midbrain, the threshold for the reflex is essentially normal. There is another facilitatory area in the posterior hypothalamus. In humans with lesions in the superior frontal gyrus, the desire to urinate is reduced and there is also difficulty in stopping micturition once it has commenced. However, stimulation experiments in animals indicate that other cortical areas also affect the process. The bladder can be made to contract by voluntary facilitation of the spinal voiding reflex when it contains only a few milliliters of urine.

Voluntary contraction of the abdominal muscles aids the expulsion of urine by increasing the pressure applied to the urinary bladder wall, but voiding can be initiated without straining even when the bladder is nearly empty. Voiding can also be consciously interrupted once it has begun, through a contraction of the perineal muscles. The external sphincter can be contracted voluntarily, which will prevent urine from passing down the urethra. Experience of urination The need to urinate is experienced as an uncomfortable, full feeling.

It is highly correlated with the fullness of the bladder.


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