Aspartate aminotransferase (AST)is found in a variety of tissues, including the liver, brain,pancreas, heart,kidneys, lungs, and skeletal muscles. If any of these tissues are damaged, AST will be released into the bloodstream. While high AST levels mean there may be tissue injury, it doesn'...
While ALT is predominantly found in the liver, meaning its elevation is a more direct sign of liver damage, AST is not exclusive to the liver. AST can also be found in significant amounts in the heart, muscles, and kidneys. 11 In medical tests, the ratio of ALT to AST can be essenti...
"having the power to check, repress, or restrain; inhibitory," 1848, from Late Latin… See origin and meaning of catastaltic.