sphincter muscle


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sphincter muscle - a ring of muscle that contracts to close an opening
muscle, musculus - one of the contractile organs of the body
physiological sphincter - a sphincter that is not recognizable at autopsy because its resting arrangement cannot be distinguished from adjacent tissue
anal sphincter, musculus sphincter ani, sphincter ani - the sphincter muscle of the anus
musculus sphincter urethrae, urethral sphincter - a striated sphincter muscle that constricts the urethra
bladder sphincter, musculus sphincter vesicae - the sphincter muscle of the urinary bladder; made up of a thickened muscular layer of bladder around the urethral opening
musculus sphincter ductus choledochi - the smooth muscle sphincter of the common bile duct
musculus sphincter ductus pancreatici - the smooth muscle sphincter of the main pancreatic duct
musculus sphincter pupillae, pupillary sphincter - a ring of smooth muscle surrounding the iris
musculus sphincter pylori, pyloric sphincter, pyloric valve - the sphincter muscle of the pylorus that separates the stomach from the duodenum
References in periodicals archive ?
Symptoms generally occur when weakness or dysfunction in the lower esophageal sphincter muscle allows stomach contents to flow backward into the esophagus causing esophageal inflammation and damage.
Stretta is a minimally-invasive endoscopic treatment that delivers non-ablative radiofrequency (RF) energy to improve and restore the function of the lower esophageal sphincter muscle, thereby improving symptoms of GERD.
This causes the lower esophageal sphincter muscle, which connects your esophagus to your stomach, to slow down.
Heartburn Heartburn is a common symptom that affects the majority of pregnant women because of the increase in the secretion of progesterone, which causes the sphincter muscle to relax.
Surgery typically involves cutting a small part of the anal sphincter muscle to prevent spasms.
The aim of the operation is to completely remove all the cancerous tissue, while preserving important nearby structures such as the urinary sphincter muscle and local nerves.
These include loss of muscle tone of the sphincter muscle of the oesophagus, hairball obstruction, intestinal parasites, gastric ulcers, etc.
Interventions to reduce sphincter tone include Botox injections, surgical incision of the sphincter muscle or a urethral stent to keep the sphincter open.
A person must be able to squeeze the sphincter muscle to prevent urine from leaking out and the detrusor muscle must stay relaxed so that the bladder can expand.
It is kept open by the anal sphincter muscle going into spasm.
In addition, certain foods and drinks--chocolate; tomatoes; raw onions; garlic; black pepper; vinegar; peppermint; fatty or spicy foods, and caffeinated, carbonated, or alcoholic beverages--relax the sphincter muscle, making reflux more likely.
I took her recommendation and, as far as I know, police are still searching the dual carriageway in to London for my sphincter muscle.

Full browser ?