Cori cycle

noun

Co·​ri cycle ˈkōr-ē-, ˈkȯr- 

: the cycle in carbohydrate metabolism consisting of the conversion of glycogen to lactic acid in muscle, diffusion of the lactic acid into the bloodstream which carries it to the liver where it is converted into glycogen, and the breakdown of liver glycogen to glucose which is transported to muscle by the bloodstream and reconverted into glycogen