Definition of Sphincter. Meaning of Sphincter. Synonyms of Sphincter

Here you will find one or more explanations in English for the word Sphincter. Also in the bottom left of the page several parts of wikipedia pages related to the word Sphincter and, of course, Sphincter synonyms and on the right images related to the word Sphincter.

Definition of Sphincter

Sphincter
Sphincter Sphinc"ter, n. [NL., fr. ??? to bind tight.] (Anat.) A muscle which surrounds, and by its contraction tends to close, a natural opening; as, the sphincter of the bladder.
Sphincter
Sphincter Sphinc"ter, a. (Anat.) Of, pertaining to, or designating, a sphincter; as, a sphincter muscle.

Meaning of Sphincter from wikipedia

- A sphincter is a circular muscle that normally maintains constriction of a natural body p****age or **** and which relaxes as required by normal physiological...
- known respectively as the upper esophageal sphincter and the lower esophageal sphincter. These sphincters act to close the esophagus when food is not...
- urethral sphincter and the internal urethral sphincter. When either of these muscles contracts, the urethra is sealed shut. The external urethral sphincter originates...
- The sphincter of Oddi (also hepatopancreatic sphincter or Glisson's sphincter), abbreviated as SO, is a muscular valve that in some animals, including...
- greater curvature of the stomach. Two sphincters keep the contents of the stomach contained; the lower oesophageal sphincter (found in the cardiac region), at...
- Sphincter paralysis is paralysis of one of the body's many sphincters, preventing it from constricting normally. Case studies have shown patients may...
- The internal anal sphincter, IAS, (or sphincter ani internus) is a ring of smooth muscle that surrounds about 2.5–4.0 cm of the anal canal; its inferior...
- The external anal sphincter (or sphincter ani externus ) is a flat plane of skeletal muscle fibers, elliptical in shape and intimately adherent to the...
- intergluteal cleft and separated from the genitals by the perineum. Two sphincters control the exit of **** from the body during an act of defecation, which...
- The sphincter of Boyden (also known as the choledochal sphincter) is a sphincter located in the common bile duct before it joins with the pancreatic duct...