middle lamella

noun

, Botany.

1. the layer of cementing material, composed of pectates and similar substances, between the walls of adjacent cells.

middle lamella

1. The pectin-rich intercellular material cementing together the primary walls of adjacent plant cells.

Word History and Origins

Origin of middle lamella¹

First recorded in 1920–25

Example Sentences

When the middle lamella reaches the pectic acid stage, the fruit becomes soft and "mushy" in texture.

From Project Gutenberg