Pepsinogen is secreted by chief cells, and when it's in the presence of hydrochloric acid, it's converted to pepsin. Pepsin breaks apart tertiary and secondary protein structures to make it easier for ...

Other veins that enter the IVC include the hepatic veins, inferior phrenic veins, and lumbar vertebral veins. What makes the IVC different from other veins is that there are no valves within this vein ...

THURSDAY, Oct. 31, 2024 (HealthDay News) -- In a finding that challenges conventional thinking on when people with failing heart valves but no symptoms should get surgery, a new study suggests these ...

The mucosal layer in the small intestine degrades with age in rats, allowing digestive enzymes to slowly escape and leak into organs outside the intestine, including the liver, lung, heart ...