You searched for: “sphincter
sphincter, sphincteral
1. A contractile muscular ring by which an orifice of the body (in man or animals) is normally kept closed.
2. A ringlike band of muscle fibers that constricts a passage or closes a natural orifice.
This entry is located in the following unit: sphinctero-, sphincter- + (page 1)
(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
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).

It is done most often in patients with urinary or fecal incontinence.

pyloric sphincter
The strong band of muscle between the stomach and the small intestine.
This entry is located in the following unit: pylor-, pyloro-, pylori- + (page 2)