You searched for: “sphincter”
sphincter (pl) (noun), sphincters; sphincteres (pl)
A contractile muscular ring by which an orifice of the body (in man or animals) is normally kept closed: A sphincter is a ringlike band of muscle fibers that constricts a passage or closes a natural orifice, like the iris sphincter in the eye.
This entry is located in the following unit: sphinctero-, sphincter- + (page 1)
sphinctero-, sphincter- +
(Greek > Latin: that which binds tightly, press together; band, lace; hence, muscle that closes an aperture of the body; a ringlike band of muscle fibers that constricts a passage or closes a natural orifice)
Word Entries containing the term: “sphincter”
electromyography of pelvic floor sphincter (s) (noun), electromyography of pelvic floor sphincters (pl)
An electrodiagnostic test performed to evaluate the neuromuscular function of the urinary or anal sphincter (circular muscle that constricts a passage or closes a natural opening):

An electromyography of pelvic floor sphincter is done most often in patients with urinary or fecal incontinence.

This entry is located in the following units: electro-, electr-, electri- (page 46) grapho-, graph-, -graph, -graphy, -grapher, -graphia (page 29) sphinctero-, sphincter- + (page 1)
pyloric sphincter (s) (noun), pyloric sphincters (pl)
The strong band of muscle between the stomach and the small intestine: The pyloric sphincter is a muscular valve that regulates the flow of substances out of the stomach.
This entry is located in the following unit: pylor-, pyloro-, pylori- + (page 2)