Sep 3, 2025 · Sphincters are bands of muscles that control how things like pee, poop and bile flow through your body. Learn more about them.

The sphincter of Oddi, or Glisson's sphincter, controlling secretions from the liver, pancreas and gall bladder into the duodenum. The urethral sphincters, controlling the exit of urine from the body. At the …

Apr 28, 2026 · Learn what a sphincter is as well as the functions and disorders of the sphincters of the GI tract, urinary tract, blood vessels, and eyes.

Oct 10, 2024 · Learn about different sphincters in the body, their functions, and how to treat conditions like weakness or dysfunction.

Jun 18, 2026 · The meaning of SPHINCTER is an annular muscle surrounding and able to contract or close a bodily opening.

Sphincter muscle, any of the ringlike muscles surrounding and able to contract or close a bodily passage or opening. One of the most important human sphincter muscles is the sphincter pylori, a thickening …

Nov 16, 2025 · A sphincter is a specialized circular muscle that functions as a biological valve, regulating the passage of substances through various natural openings and tubes within the body. These …

Aug 21, 2025 · A sphincter is a circular muscle that functions like a natural valve in the body. These muscles control the passage of substances through various openings or tubes. Sphincters are …

anal sphincter (sphincter a´ni) either of two sphincters (the internal and external anal sphincters) that open and close to control evacuation of feces from the anus.

Learn about the key sphincters of the digestive system, their functions, and how they impact digestion. Discover common sphincter-related disorders and tips for maintaining digestive health.