pyloric sphincter of the stomach duodenum. pylorus. infographics. image on background

acid anatomical anatomy atonic biology body canal care digestion digestive diseases duodenum education educational esophagus fundus gastric health healthy horizontal human ideas infographics inside internal isolated medical medicine pain physiology pyelogram pyelonephritis pygmalion pyloric pylorospasm pylorus pythagoras schematic section spasms spastic sphincter stomach system text tumor types vector wood