Sentence Examples


  • They laid great stress on the nitrogenous nature of protoplasm, and noted that it preceded the formation of the cell-membrane.
  • By the segmentation of the fertilized egg, now invested by cell-membrane, the embryo-plant arises.
  • The cell-membrane may become modified by the process of lignification, suberization, cuticularization or gelatinization.
  • Cell-membrane, &c.: Biitschli, Weitere Ausfuhrungen uber den Bau der Cyanophyceen and Bakterien (Leipzig, 1896); Fischer, Unters.
  • The bacterial cell is always clothed by a definite cell-membrane, as was shown by the plasmolysing experiments of Fischer and others.