the layer of cementing material, composed of pectates and similar substances, between the walls of adjacent cells.
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Origin of middle lamella
First recorded in 1920–25
Words nearby middle lamella
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Scientific definitions for middle lamella
The pectin-rich intercellular material cementing together the primary walls of adjacent plant cells.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.