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Aside from the exposure of previously internal tissues, the newly enlarged urethral opening may hinder the ability to control the direction and shape of one's urine stream. This may result in messy urination and require that the meatotomized individual sit while urinating; however, this is not universally true.
Another everyday example of Plateau–Rayleigh instability occurs in urination, particularly standing male urination. [9] [10] The stream of urine experiences instability after about 15 cm (6 inches), breaking into droplets, which causes significant splash-back on impacting a surface. By contrast, if the stream contacts a surface while still in ...
Urodynamic testing or urodynamics is a study that assesses how the bladder and urethra are performing their job of storing and releasing urine. Urodynamic tests can help explain symptoms such as: incontinence [1] frequent urination; sudden, strong urges to urinate but nothing comes out; problems starting a urine stream; painful urination
The male's urination is meant to repel other males from his partner while the female's urination is a rejection of any approaching male when she is not receptive. [70] Both anal digging and urination are more frequent during the breeding season and are more commonly done by males. [71]
A urethral stricture is a narrowing of the urethra, the tube connected to the bladder that allows urination. The narrowing reduces the flow of urine and makes it more difficult or even painful to empty the bladder. [1] Urethral stricture is caused by injury, instrumentation, infection, and certain non-infectious forms of urethritis. The ...
The normal amount of urine that the body produces tends to decrease at night while we're sleeping, says Lloyd-Harris. However, some people find themselves waking up to pee most nights.
Examples include urinating in the forest, on a rock, or in a hole. He examined the trajectories of the urine stream and its controllability, as well as comfort and health aspects of different body positions. Males usually urinate in a standing posture and direct the stream forward by hand.
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