mesosome

noun me·so·some \ -ˌsōm \

Definition of mesosome

: an organelle of bacteria that appears as an invagination of the plasma membrane and functions either in DNA replication and cell division or excretion of exoenzymes

First Known Use of mesosome

1960

in the meaning defined above

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Medical Dictionary

mesosome

noun me·so·some \ ˈmez-ə-ˌsōm, ˈmēz-, ˈmēs-, ˈmes- \

medical Definition of mesosome

: an organelle of bacteria that appears in electron micrographs as an invagination of the plasma membrane and is a site of localization of respiratory enzymes

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