Various cells in the stomach secrete digestive enzymes and hydrochloric acid. These substances break down food so the body can absorb nutrients. The stomach is a muscular organ in the upper abdomen ...

Biologist William K. Purves of Harvey Mudd College responds: Parietal cells in the mucosa, the inner cell layer of our digestive tract, secrete hydrochloric acid (HCl) into the stomach's lumen, or ...

If you're about to throw up or get acid reflux, you may feel a burning sensation when acid from your stomach escpes into the ...

Researchers have discovered a gene that helps control the secretion of acid in the stomach -- information that could one day aid scientists in creating more efficient treatment options for conditions ...