Gastric secretion cells of gastric mucosa secrete gastric juice composed of hydrochloric acid (HCl), pepsinogen, intrinsic factor (IF), and mucus HCl and pepsinogen initiate protein digestion. IF is required for vitamin B12 absorption in ileum.
Bisphenol A (BPA) is an organic synthetic compound with the chemical formula (CH3)2C(C6H4OH)2 belonging to the group of diphenylmethane derivatives and bisphenols, with two hydroxyphenyl groups. It is a colorless solid that is soluble in organic solvents, but poorly soluble in water.
CAA is defined by a type of protein deposit in the wall of blood vessels in the brain. CAA is actually a common process in aging and usually harmless. In some people with severe CAA, however, the protein deposits cause the blood vessel walls to crack, in which case blood can leak out and damage the brain.