Which medical term means an abnormal increase in the forward curvature of the lower or lumbar spine? - 4684768
The molecular structure of caffeine. Caffeine belongs to the family of heterocyclic compounds known as purines. It has the systematic name 3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione; it is also known as 1,3,7-trimethylxanthine, and 1,3,7-trimethyl-2,6-dioxopurine.
The chemical is also known as coffeine, theine, mateine, guaranine, or methyltheobromine. Caffeine is naturally produced by several plants, including coffee beans, guarana, yerba matÃ©, cacao beans, and tea. For the plants, caffeine acts as a natural pesticide. It paralyzes and kills insects that attempt to feed on the plants.