periplasm definition

  • noun:
    • the location near or instantly within a bacterial or other cell wall surface, outside the plasma membrane layer.
    • The region amongst the plasma membrane layer plus the outer membrane layer or cell wall.
    • within the Peronospore√¶, a delicate hyaline peripheral level of protoplasm, that the pollinodium and o√∂gonium becomes classified from granular central mass, or gonoplasm. It will not share inside conjugation. See gonoplasm.
    • In ferns, the residuum for the mixed tapetal walls, which types a mucilaginous protoplasmic mass where the spores fundamentally lie embedded.

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