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The bladder and how it works The muscle in your bladder wall is called the detrusor muscle.
The detrusor muscle relaxes to allow your bladder to fill. When you go to the toilet, it contracts to squeeze louis vuitton alma fuchsia out urine. Your urethraDid you know?The female urethra is shorter than the male urethra. This is why women are more likely to get urine infections than men. At the bottom of your bladder is the urethra. This is a tube about 4cm are louis vuitton bags good quality long that runs from the neck of your bladder to the outside of your body, just in front of your vagina. The urethra has a valve known as the urinary sphincter. Your sphinctersThere are two sphincter mechanisms. The internal sphincter is a ring of muscle that holds the neck of the bladder in place. Your body opens and shuts it automatically without you thinking about it. The external sphincter acts like a tap and keeps urine in the bladder. It is controlled by the pudendal nerve, which is controlled by the voluntary nervous system. This means it's under your control you decide when to let it open. This happens on average four to eight times a day. The reflex is controlled by your central nervous system. ADVERTISEMENT CONTINUE READING BELOW When your bladder is about half full, the stretch receptors in the walls of your bladder become active and send signals along your pelvic nerves to your spinal cord. A reflex signal is sent back to your bladder, which makes the detrusor muscle in the bladder wall contract. The contraction increases the pressure in your bladder, and this is what makes you want to pass urine. Because the external sphincter is under voluntary control, you don't urinate until you decide to relax this muscle. Where are the problems? For your bladder to work properly, there are three areas that must work properly. 1. The sensors that tell you the bladder is empty or fullWhen these don't work properly, you feel the urge to urinate when your bladder isn't actually full and your bladder will start contracting at the wrong time (urge urinary incontinence). 2. Your sphincter If this is damaged, or your pelvic floor is damaged and can't support the sphincter properly, your sphincter will allow urine out when you don't want it to (stress urinary incontinence). 3. The nerves that communicate with your brain and spinal cordIf these are damaged, the signals won't work properly and you may have a mixture of urge urinary incontinence (UUI) and stress urinary incontinence (SUI). The pelvic floor, the bladder and SUI If your pelvic floor is weak, it isn't strong enough to hold your bladder up properly. The base of your bladder may then protrude through your pelvic floor. If this happens, whenever there's any stress on the pelvic floor (for example when you cough, sneeze, laugh or lift something heavy), the muscles can't cope with the louis vuitton shoes johannesburg extra pressure and allow a small amount of urine to leak through the urethra. One way to visualise how it works is as if you're holding a balloon full of liquid, with the neck of the balloon between your finger and thumb.
The balloon is the bladder, the neck the uretha, your finger and thumb the pelvic floor muscles. When your finger and thumb get tired, you don't hold the balloon so tightly. If someone presses louis vuitton shoes bloomingdales down on the balloon, liquid will leak out.
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