Dictionary

periplasm

noun peri·plasm \ˈper-ə-ˌpla-zəm\

Definition of PERIPLASM

:  the region in a gram-negative bacterium between the plasma membrane and an outer surrounding membrane that contains especially enzymes and a thin layer of peptidoglycan
peri·plas·mic \ˌper-ə-ˈplaz-mik\ adjective

First Known Use of PERIPLASM

1961

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