Urine flow starts in the kidneys, where it is produced through the filtration of blood in the nephron units. From the kidneys, urine travels down the ureters to the bladder, where it is stored until needed. When the bladder fills, urine is expelled through the urethra and exits the body.
True. There is a external and internal sphincter
A urine flow test evaluates the speed of urination, or amount voided per second, and the total time of urination.
If the Urine is in the bladder and does not flow, you put a catheter through the urethra.
The upper end of the ureter expansion is called the renal pelvis. It is a funnel-shaped structure that collects urine from the renal calyces and channels it into the ureter, which then carries the urine to the bladder. The renal pelvis plays a crucial role in the urinary system by facilitating the flow of urine from the kidneys.
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It is never normal for a kidney stone to block your urine, however it does happen. When a stone blocks the flow of urine, treatment needs to occur soon so kidney or ureter damage doesn't occur.
A urine flow test can indicate problems in bladder function, such as an obstruction, that will need further tests to diagnose.
No.
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Urine flows from a catheter due to gravity and the pressure generated by the bladder. When the bladder fills with urine, it contracts, pushing urine through the catheter and into a collection bag. The catheter's design allows for a one-way flow, preventing backflow and ensuring that urine is efficiently drained. Proper positioning and securing of the catheter also help maintain a consistent flow.
Hyaline casts can form in urine under various conditions, but they are not specifically a direct result of increased urine flow. Instead, they typically indicate concentrated urine or the presence of certain renal conditions. Hyaline casts are often associated with dehydration, exercise, or mild renal stress, but an increase in urine flow may dilute urine and potentially reduce cast formation. Thus, while increased urine flow does not directly lead to hyaline casts, it may influence their presence indirectly.