middle lamella

plant anatomy

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The Information Architects of Encyclopaedia Britannica

Last updated

July 22, 2026

Quick Summary

The middle lamella is a layer of intercellular material found between the walls of adjacent plant cells. It functions as a cementing layer, holding plant cells together. This layer is crucial for the structural integrity of plant tissues, contributing to the overall support and organization of plants.12

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cell wall
Mechanical properties
The middle lamella serves as a cementing layer between the primary walls of adjacent cells. The primary wall is the cellulose-containing layer laid down by cells that are dividing and growing. To allow for cell wall expansion during growth, primary walls are thinner and less rigid…
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The middle lamella serves as a cementing layer between the primary walls of adjacent cells. The primary wall is the cellulose-containing layer laid down by cells that are dividing and growing. To allow for cell wall expansion during growth, primary walls are thinner and less rigid…
Read More