Urination - Wikipedia
WebThe 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. Many men, and some women, may sometimes briefly shiver after or during urination.
Micturition (Process & Physiology of Micturition) - BYJU'S
WebWhat is Micturition? Micturition is a process where urine is expelled from the body. Animals and humans have a specialised system of organs known as the excretory system to eliminate the waste products from the body. In other words, the process of expelling urine from the body is called micturition.
24.5E: Micturition and the Micturition Reflex - Medicine LibreTexts
WebJan 17, 2023 · Micturition is the ejection of urine from the urinary bladder through the urethra to the outside of the body. Learning Objectives. Summarize the process of micturition via the micturition reflex. Key Points. In infants, elderly individuals, and those with neurological injury, urination may occur as an involuntary reflex.
Physiology, Urination - StatPearls - NCBI Bookshelf
WebSep 13, 2023 · Urination or micturition removes metabolic products and toxic wastes filtered from the kidneys and is a vital human bodily function. The micturition reflex requires a complex network of signals between the nervous system and the urinary tract. Urine storage and bladder emptying are highly dependent on these pathways.
Micturition - TeachMePhysiology
WebMicturition (urination) is the process of urine excretion from the urinary bladder. Micturition has two discrete phases: thestorage/continence phase, when urine is stored in the bladder; and the voiding phase, where urine is released through the urethra.
Urinary bladder & urethra: Anatomy, location, function | Kenhub
WebNov 3, 2016 · The micturition reflex is a reflex which enables the physiological act of urination when the urinary bladder is full and involves both voluntary and involuntary control mechanisms. As the bladder fills with urine, the pressure within the bladder slowly rises until it fills to its maximum point.
The Urinary Bladder - Structure - Function - Nerves
WebJan 18, 2023 · Assists in the expulsion of urine – the musculature of the bladder contracts during micturition, with concomitant relaxation of the sphincters. In this article, we shall look at the anatomy of the bladder – its shape, vasculature and neurological control.
Urination (video) | Human body systems | Khan Academy
WebAbout. Transcript. Micturition (peeing) starts with urine flowing from the kidneys to the bladder via ureters. The bladder expands using transitional epithelium. Urine exits through the urethra, controlled by internal and external urethral sphincters. Ureters prevent backflow, thereby reducing infection risk. Created by Raja Narayan. Questions.
Urination | Process, Function & Control | Britannica
WebApr 5, 2024 · urination, the process of excreting urine from the urinary bladder. Nerve centres for the control of urination are located in the spinal cord, the brainstem, and the cerebral cortex (the outer substance of the large upper portion of the brain). Both involuntary and voluntary muscles are involved.
Physiology, Bladder - StatPearls - NCBI Bookshelf
WebMay 1, 2023 · The bladder then acts as the storage site for this waste product until higher-order centers within the central nervous system initiate the micturition (i.e., urination) process, which permits the expulsion of urine into the …
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