Figure 401

Influences on parietal cell acid secretion. The pathways by which secretagogues are believed to stimulate hydrogen ion production and secretion are shown. In addition, the sites of action (broken arrows) of various acid suppressive medications are shown. A, atropine; PGE, prostaglandin E; H, histamine; G, gastrin, Riand Rs, inhibitory and stimulatory receptor-binding sites; Giand Gs, inhibitory and stimulatory catalytic subunits; ATP, adenosine triphosphate; ATPase, adenosine triphosphatase. (Reprinted with permission from Wolfe MM and Soll AH. The physiology of gastric acid secretion. N Engl J Med 1988;319:1707.)

Blood Pressure Health

Blood Pressure Health

Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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