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.
Helicobacter pylori (H pylori) is the name of a bacteria that can cause peptic ulcers. It can infect the stomach lining, dissolving the mucus film that protects it from the highly acidic stomach contents. This causes a burning pain in the stomach.