Medical Dictionary


noun ace·tyl·cys·te·ine
\ə-ˌsēt-əl-ˈsis-tə-ˌēn, ˌas-ə-ˌtēl-, ˌas-ət-əl-\

Medical Definition of ACETYLCYSTEINE

:  a mucolytic agent C5H9NO3S used especially to reduce the viscosity of abnormally viscid respiratory tract secretions—see mucomyst


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