《英文msh词典》1,3 Dimethylxanthine
[入口词] 1,3 Dimethylxanthine
[主题词] Theophylline
[药动学] Vasodilator Agents
[英文释义] A methyl xanthine derivative from tea with diuretic,smooth muscle relaxant,bronchial dilation,cardiac and central nervous system stimulant activities. Theophylline inhibits the 3',5'-CYCLIC NUCLEOTIDE PHOSPHODIESTERASE that degrades CYCLIC AMP thus potentiates the actions of agents that act through ADENYLATE CYCLASE and cyclic AMP.