+The **cell wall** is a rigid, protective outer layer found in plants, fungi, and bacteria, external to the [Cell Membrane](/wiki/cell_membrane). It provides structural support, prevents excessive water uptake, and helps maintain the shape of the [Cell](/wiki/cell).
+## See also
+- [Plant Cell](/wiki/plant_cell)
+- [Fungi](/wiki/fungi)
+- [Bacteria](/wiki/bacteria)
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