abnormal smooth muscle morphology abnormal stomach mucosa morphology abnormal stomach muscularis mucosa morphology 2011-02-09T01:39:38Z MP:0010806 MPheno.ontology abnormal muscular layer of stomach mucosa any structural anomaly of the thin layer of smooth muscle in the mucosal layer of the stomach that functions to agitate the surface area stomach mucosa by moving the villi back and forth csmith