Digestion 0.5% hydrochloric acid (HCl), which lowers the pH to the desired pH of 1-3. Acid release is also triggered by acetylcholine and histamine. The intestinal phase has two parts, the excitatory and the inhibitory. Partially digested food fills the duodenum. This triggers intestinal gastrin to be released. Enterogastric reflex inhibits vagal nuclei, activating sympathetic fibers causing the pyloric sphincter to tighten to prevent more food from entering, and inhibits local reflexes. Protein digestion occurs in the stomach and duodenum in which 3 main enzymes, pepsin secreted by the stomach and trypsin and chymotrypsin secreted by the pancreas, break down food
Acetic acid (medical use) 25 USD. Acetic acid is more commonly used for external ear infections in the developing world than the developed. Acetic acid may be applied to the cervix to help detect cervical cancer during screening in many areas in the developing world. Acetic acid is applied to the cervix and if an area of white appears after about a minute the test is positive. Acetic acid (medical use) Acetic acid, which at low concentrations is known as vinegar, is used as a medication to treat a number of conditions. As an eardrop it is used to treat infections of the ear