aperture membrane

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English[edit]

Noun[edit]

aperture membrane (plural aperture membranes)

  1. (palynology) Section of exine forming the base of an aperture
    • 1952, Gunnar Erdtman, Pollen Morphology and Plant Taxonomy‎[1], →ISBN, page 466:
      In germinating grains the aperture membrane is pushed open like a lid.
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