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mesosome

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noun me·so·some \-ˌsōm\

Definition of mesosome

  1. :  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

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First Known Use of mesosome

1960

Medical Dictionary

mesosome

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

Medical Definition of mesosome

  1. :  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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