You may think of the small intestine as a smooth tube that winds its way through your abdomen. But if you were to look really closely at the inside of the intestine, you would see that it is lined ...

The microbiome of the small intestine is distinct from the colon, and likely plays important roles beyond digestion. An overgrowth of bacteria in this region, most commonly a result of slow ...

Inside the small intestine, the villi (protrusions that absorb nutrients) and crypts (where the cells supplying the villi are produced) became longer and deeper at the same time as the gut ...

Inside the small intestine, the villi (protrusions that absorb nutrients) and crypts (where the cells supplying the villi are produced) became longer and deeper at the same time as the gut ...

Inside the small intestine, the villi (protrusions that absorb nutrients) and crypts (where the cells supplying the villi are produced) became longer and deeper at the same time as the gut ...

The small intestine is a very dynamic environment; food passes through depending on the varying speed of a person’s digestion, and the pipe expands and contracts.

As far back as the 16th century, we were mapping out the murky territory of the human small intestine in anatomy books. We know, for example, that this digestive tract is—on average—about 6 ...

They also observed that the small intestine was even longer after a second pregnancy than the first. Inside the small intestine, the villi (protrusions that absorb nutrients) and crypts (where the ...

Yep, they form a digestive tube so lengthy it's got two sections. The so-called small intestine is about 22 feet long on average. That's over three times the size of LeBron James. The small ...