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Casparian strip

British  
/ kæˈspɛərɪən /

noun

  1. botany a band of suberized material around the radial walls of endodermal cells: impervious to gases and liquids

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Casparian strip

C20: named after Robert Caspary, 19th-century German botanist

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This waxy region, known as the Casparian strip, forces water and solutes to cross the plasma membranes of endodermal cells instead of slipping between the cells.

From Textbooks • Jun. 9, 2022

The Casparian strip will show the deepest coloring.

From Textbooks • Jun. 9, 2022

Water inside the Casparian strip travels upward as root pressure forces it through the vascular cylinder and into the xylem.

From Textbooks • Jan. 1, 2018

Where these cells meet, cell walls form a waterproof zone called the Casparian strip.

From Textbooks • Jan. 1, 2018

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.