sphincterismus

sphincterismus

 [sfingk″ter-iz´mus]
spasm of a sphincter.

sphinc·ter·is·mus

(sfingk'tĕr-iz'mŭs),
Spasmodic contraction of the sphincter ani muscles.

sphinc·ter·is·mus

(sfingk'tĕr-iz'mŭs)
Spasmodic contraction of the sphincter ani muscles.