The intestines run from the end of the stomach to the anus. Their primary function is to absorb nutrients and vitamins. The small intestine is made up of three parts—the duodenum (first part ...

The portal vein is the main blood vessel carrying blood to the liver from the stomach, intestines, spleen, gallbladder, and pancreas. Portal vein blood contains both nutrients and toxins derived ...

Your liver is in the upper right part of your abdomen (belly area), on top of your stomach, intestines, and right kidney. Depending on the cause, you may feel pain in the front center of your ...