(singular: atrium) two higher chambers of the guts that get blood within the veins and agreement to power that blood in the ventricles. a Persistent inflammation of your lining on the stomach, which finally leads to the lack of glands during the abdomen (atrophy) and lessened abdomen acid production. http://online-business-homework45684.aioblogs.com/12615244/case-study-analysis-things-to-know-before-you-buy