Micturition, or urination, is the act of emptying the bladder. When the bladder is full of urine, stretch receptors in the bladder wall trigger the micturition reflex. The detrusor muscle that surrounds the bladder contracts.
What is the emptying of the bladder called?
Bladder emptying is known as urination. The bladder stores urine until the person finds an appropriate time and place to urinate.
What term means act of voiding urine?
Urination; the act of voiding urine.
What type of reflex helps you empty your bladder?
The micturition reflex involves a coordinated and sustained contraction of the detrusor muscle (the detrusor reflex) along with simultaneous relaxation of the urethra. Moreover, depending on the size of the bladder, the micturition reflex may also result in urine storage.
How do you do Uroflowmetry?
Uroflowmetry is performed by having a person urinate into a special funnel that is connected to a measuring instrument. The measuring instrument calculates the amount of urine, rate of flow in seconds, and length of time until completion of the void.
What are urostomy?
A urostomy is an opening in the belly (abdominal wall) that’s made during surgery. It re-directs urine away from a bladder that’s diseased, has been injured, or isn’t working as it should. The bladder is either bypassed or removed.
What is a cystectomy procedure?
Cystectomy (sis-TEK-tuh-me) is a surgery to remove the urinary bladder. In men, removing the entire bladder (radical cystectomy) typically includes removal of the prostate and seminal vesicles. In women, radical cystectomy also involves removal of the uterus, ovaries and part of the vagina.
What is the medical term for pus in urine?
Pyuria is a urinary condition that is characterized by an elevated number of white blood cells in the urine. Doctors define a high number as at least 10 white blood cells per cubic millimeter (mm3) of centrifuged urine. Pyuria can cause the urine to look cloudy or as if it contains pus.
What is an enlarged urinary bladder called?
The condition is sometimes referred to by medical professionals as bladder hypertrophy. An enlarged bladder can be present from birth or it can occur due to an obstruction in the bladder, the kidneys, or the connecting ureters.
Which of the following acts as the trigger for the initiation of micturition voiding?
Muscles of Micturition: The Detrusor and Urethral Sphincters. Micturition, or urination, is the act of emptying the bladder. When the bladder is full of urine, stretch receptors in the bladder wall trigger the micturition reflex.
What is the guarding reflex?
The term Guarding Reflex refers to a progressive, involuntary increase in the external urethral sphincter activity during bladder filling. This is a mechanism of continence, preventing from unwanted urine leakage in situation of stress.
What is a sphincter Vesicae?
Noun. 1. musculus sphincter vesicae – the sphincter muscle of the urinary bladder; made up of a thickened muscular layer of bladder around the urethral opening. bladder sphincter. urinary bladder – a membranous sac for temporary retention of urine.
What is a complex Uroflowmetry?
Uroflowmetry measures the flow of urine. It tracks how fast urine flows, how much flows out, and how long it takes. It’s a diagnostic test to assess how well the urinary tract functions. Your doctor may suggest uroflowmetry if you have trouble urinating, or have a slow stream.
What is double voiding?
Double voiding is a technique that may assist the bladder to empty more effectively when urine is left in the bladder. It involves passing urine more than once each time that you go to the toilet. This makes sure that the bladder is completely empty.
What is elevated PVR?
Answer. PVR measurement is a part of the basic evaluation for urinary incontinence. If the PVR is high, the bladder may be poorly contractile or the bladder outlet may be obstructed. Both of these conditions can cause urinary retention with overflow incontinence.