The cells of the adaptive immune system are special types of leukocytes, called lymphocytes. B cells and T cells are the major types of lymphocytes and are derived from hematopoietic stem cells in the bone marrow.
Abdominal pain do stomach ulcers cause gas and bloating href=http://flatulencetreatments.com/how-to-make-good-fart-sounds/>or swelling. These are fairly obvious causes of chronic cough bronchitis digestive health tonic accordingly.
Causes of Peptic Ulcers. Different factors can cause the lining of the stomach, the esophagus, and the small intestine to break down. These include: 1  Helicobacter pylori (H. pylori) - a bacteria that can cause a stomach infection and inflammation.