Cell Component
periplasm
[ per-uh-plaz-uhm ]
Subclass of:
Extracellular Space
Definitions related to periplasm:
  • Space between the plasma membrane and the cell wall of a bacterium.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • The space between the inner and outer membranes of a cell that is shared with the cell wall.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • (periplasmic space) The region between the inner (cytoplasmic) and outer membrane (Gram-negative Bacteria) or cytoplasmic membrane and cell wall (Fungi and Gram-positive Bacteria).
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.