rectosigmoid sphincter
(redirected from O'Beirne valve)rec·to·sig·moid sphinc·ter
a circular band of muscular fibers at the rectosigmoid junction.
Farlex Partner Medical Dictionary © Farlex 2012
O'Bierne,
James, Irish surgeon, 1786-1862.O'Bierne sphincter - a circular band of muscular fibers at the rectosigmoid junction. Synonym(s): rectosigmoid sphincter
O'Bierne tube
Medical Eponyms © Farlex 2012