单词	phosphodiesterase
释义	phosphodiesterase noun phos·​pho·​di·​es·​ter·​ase ˌfäs-(ˌ)fō-dī-ˈe-stə-ˌrās  -ˌrāz : a phosphatase (as from snake venom) that acts on diesters (such as some nucleotides) to hydrolyze only one of the two ester groups Example Sentences Recent Examples on the Web To do so, the active ingredient in the drug inhibits an enzyme called phosphodiesterase 5 (PDE5) found in blood vessel walls. Sandee Lamotte, CNN, 7 Feb. 2020 Word History First Known Use 1932, in the meaning defined above Medical Definition phosphodiesterase noun phos·​pho·​di·​es·​ter·​ase -dī-ˈes-tə-ˌrās, -ˌrāz  : a phosphatase (as from snake venom) that acts on diesters (as some nucleotides) to hydrolyze only one of the two ester groups
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