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Sphincter   Listen
noun
Sphincter  n.  (Anat.) A muscle which surrounds, and by its contraction tends to close, a natural opening; as, the sphincter of the bladder.



adjective
Sphincter  adj.  (Anat.) Of, pertaining to, or designating, a sphincter; as, a sphincter muscle.






Collaborative International Dictionary of English 0.48








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"Sphincter" Quotes from Famous Books



... surrounding wall; it probably represents the gizzard structure of the adult. The thickening mentioned in the region of the two apertures seems to be mainly due to a wrinkling of the mucosa which, in other parts of the stomach, is nearly smooth, so far as can be seen with the naked eye. A sphincter thickening around the oesophageal and, to some extent, around the pyloric aperture, causes each of these structures to project into the stomach like ...
— Development of the Digestive Canal of the American Alligator • Albert M. Reese

... alimentary canal is called the rectum, originally meaning straight. It is not straight in the human animal. It is six to eight inches long. The anus is the lower opening of the rectum. In health it is closed by the external Sphincter (closing muscle). Disease may wear this muscle out and then the anus remains open, causing the contents of ...
— Mother's Remedies - Over One Thousand Tried and Tested Remedies from Mothers - of the United States and Canada • T. J. Ritter

... pressed upon by the external parts, chafed and inflamed. In all such cases, the patient should take particular pains to return the tumors into the rectum; and to aid in that process a little oil may be applied when they will be easily pushed back, and the sphincter of the bowel will close below them, preventing any chafing, and ...
— An Epitome of Homeopathic Healing Art - Containing the New Discoveries and Improvements to the Present Time • B. L. Hill

... an additional function—that of pressing together the vocal ligaments, under certain circumstances, thereby narrowing the opening between them. They have therefore been, in these later days, called the Sphincter[G] muscle of the glottis. They have also been called the Vocal Muscles, since they play so important a part in the formation of all vocal tone that a paralysis of them ...
— The Mechanism of the Human Voice • Emil Behnke

... FRANK, that a surgeon of St. Petersburg succeeded by passing the worm through a canula, and the canula through the sphincter ani muscle, so as to obviate the resistance caused by its contraction. In this manner, he easily succeeded in withdrawing the taenia whole, which ...
— North American Medical and Surgical Journal, Vol. 2, No. 3, July, 1826 • Various



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