The urinary bladder is a hollow, spherical-shaped organ that holds urine (pee). For most people, it can hold 500-700 mL (about two cups) of pee. When you need to use the restroom, muscles in your bladder contract (tighten) and sphincter muscles in your urethra relax, allowing pee to flow out of your body.

2024年10月2日 · The bladder is a hollow organ located in the lower abdomen whose main function is to store urine until it is passed out of the body when you pee (urinate). As urine is produced, it moves from each of your two kidneys into your bladder via a …

2023年2月17日 · It is a hollow, balloon-like organ that collects and releases urine from the body. It is attached to the pelvic bones and other organs and can hold around 2 cups of fluid. When functioning...

2023年12月6日 · Anatomy and function of the urinary bladder. The urinary bladder is a pelvic organ that collects and holds urine before urination. It serves as a temporary reservoir for urine produced by the kidneys. When empty, it lies completely within the pelvic cavity, but enlarges upward into the abdominal cavity when full.

The bladder has two important roles. The most important one is protection of the Kidneys. Its does this by primarily by storing urine at low pressure and constantly cycling urine in and out of the bladder efficiently, at reasonably low pressures and avoiding any stasis.

The bladder (from Old English blædre 'bladder, blister, pimple') is a hollow organ in humans and other vertebrates that stores urine from the kidneys. In placental mammals , urine enters the bladder via the ureters and exits via the urethra during urination .

2023年7月24日 · The bladder functions as a reservoir and active excretory organ for urine. Urine excreted by the kidneys passes through the ureters and the ureterovesical junction into the bladder.

2017年6月12日 · The function of the urinary bladder is to collect and store urine from the kidneys until it can be excreted via urination. The typical human bladder can store an average of 300 mL to 500 mL of urine.

2025年1月28日 · The urinary bladder’s primary function is to serve as a temporary reservoir for urine and facilitate its controlled excretion from the body. Its ability to store and release urine efficiently is critical for maintaining fluid and electrolyte balance.

2025年2月3日 · The bladder is situated in the pelvis between the hip bones and stores urine before releasing it from the body. Urination describes the release of urine from the bladder.