单词	pentylenetetrazol
释义	pentylenetetrazol noun pen·​tyl·​ene·​tet·​ra·​zol ˌpen-tə-ˌlēn-ˈte-trə-ˌzȯl  -ˌzōl : a white, crystalline drug C6H10N4 formerly used as a respiratory, circulatory, and central nervous system stimulant Word History Etymology penta- + methylene + tetrazole (CH2N4) First Known Use 1949, in the meaning defined above Medical Definition pentylenetetrazol noun pen·​tyl·​ene·​tet·​ra·​zol ˌpent-i-ˌlēn-ˈte-trə-ˌzȯl, -ˌzōl  : a white crystalline drug C6H10N4 formerly used as a respiratory, circulatory, and central nervous system stimulant see metrazol
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