• stress
  • Thus, during the stress of intense exercise, lactic acid appears in the blood , while glycogen, the form in which carbohydrate is stored in muscle, disappears. (britannica.com)
  • second
  • The product of the further transformation of isocitric acid by the action of the corresponding dehydrogenase is apparently oxalosuccinic acid, the decarboxylation of which (the second CO 2 molecule) leads to α-ketoglutaric acid. (thefreedictionary.com)
  • response
  • Indeed, in the example, lactic acid is formed in response to abnormal circumstances and is not directly formed in the pathways of carbohydrate catabolism. (britannica.com)