Definition: an accumulation of circularly arranged muscle fibers or specially arranged oblique muscle fibers the function of which is to reduce or eliminate the lumen of a tube, the orifice of an organ, or the cavity of a viscus; the closing component of the pylorus.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.