Normal pyloric sphincter. Endoscopic view of a healthy pyloric sphincter in its closed position. A sphincter is a strong ring of muscle that can contr

---

Normal pyloric sphincter. Endoscopic view of a healthy pyloric sphincter in its closed position. A sphincter is a strong ring of muscle that can contract to control the opening of a body passage. The pyloric sphincter controls the passage of digested food from the pylorus of the stomach to the duodenum - the first section of the small intestine.

---

Size: 3173px × 2776px
Photo credit: © GASTROLAB/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: africa, biome, botanical, botany, capensis, chinese, flower, flowers, karoo, klapperbos, lantern, nature, nymania, papery, plant, seedhead, seedheads, south, succulent