Two amino acids, one peptide bond. In this usage, X dipeptide (with X designating an amino acid) must be understood as di-X peptide. This nomenclature is continued by tripeptide (three amino acids, two peptide bonds), tetrapeptide, and so on; longer chains are called oligopeptide, polypeptide, protein.
These nerves carry instructions from the brain to every single part of your body. So if a bulging disc that causes lower back pain is pressing on a nerve that serves the stomach, for example, thereâs an excellent chance that the stomach will also experience pain and function at a diminished capacity.
3 Is there anything that can cause stomach pain, back pain, and digestion problems? Dr. Bahman Omrani Dr. Omrani. Many things : Peptic ulcer disease can cause stomach pain, digestion problem as well as back pain. A long list of other things can cause it as well. Sometime the back pain may not be related. See your doctor if you are experiencing these symptoms. Chances are a curative treatment or effective therapy is available.