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sphincter muscle

NOUN
  1. a ring of muscle that contracts to close an opening

How To Use sphincter muscle In A Sentence

  • He or she separates the lining of the distal anal canal from the underlying internal sphincter muscle.
  • Biology: The lining of the rectum is very thin and a ready route for disease and easy to rupture during the vigorous thrusting of anal sex — easy to contaminate your blood with fecal matter – the sphincter muscle of the anus can be damaged by too many intrusions making one incontinent – hemorrhoids and anal sex are surely incompatible. The Volokh Conspiracy » Sex Education, Dirty Words, and the Due Process Clause
  • Surgical repair was undertaken in two stages, but this necessitated incision and excision of substantial portions of the anal sphincter muscle.
  • He crumpled to the deck, his sphincter muscle giving out.
  • The detrusor, levator ani, and external sphincter muscles share the sacral nerves as a common innervation source.
  • But complete experimental proof of such action is wanting, and it is probable that myosis follows a direct stimulation of the sphincter muscle fibers, aided, perhaps, by contraction of the iris vessels, although the last named effect is denied by so competent an authority as Glaucoma A Symposium Presented at a Meeting of the Chicago Ophthalmological Society, November 17, 1913
  • He crumpled to the deck, his sphincter muscle giving out.
  • The cause is a weakness of the sphincter muscle between the esophagus and stomach.
  • The relaxation of the sphincter muscle lasts for 5 to 10 seconds.
  • Smoking relaxes the sphincter muscles, so makes acid reflux more likely.
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