Meaning of cell wall in English:

cell wall


  • A rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria. In the algae and higher plants it consists mainly of cellulose.

    ‘The direction of cell growth is determined by the orientation of the cellulose fibrils in the cell wall.’
    • ‘Components of the cell wall of fungi are powerful and general elicitors in plants.’
    • ‘Similar reactions can be seen in animal cells although they lack the rigid cell wall.’
    • ‘Major constituents of the cell wall are cellulose, hemicelluloses and pectins.’
    • ‘As a cell expands, its plasma membrane and cell wall must increase in area.’