cell wall

noun Biology.

the definite boundary or wall that is part of the outer structure of certain cells, as a plant cell.

Origin of cell wall

First recorded in 1840–50

Words nearby cell wall

cellulose, cellulose acetate, cellulose nitrate, cellulose triacetate, cellulosic, cell wall, celly, celo- 3, celom, celo-navigation, celonychia

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for cell wall

The cell is frequently, but by no means always, bounded by a cell-wall of greater or less thickness.
Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8|Various
Many diatoms possess thickenings of the cell-wall, visible in the valve view, in the centre of the valve and at each extremity.
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4|Various
During this examination, it will be noticed that the surface of the cell-wall is striated with fine wrinkles.
An Elementary Text-book of the Microscope|John William Griffith
Two contiguous cells of two parallel filaments push each a little projection from its cell-wall toward the other.
Scientific American Supplement, Vol. XXI., No. 531, March 6, 1886|Various

In the latter case, it forms an inner cell to the cell-wall, and is called the primordial utricle.
An Elementary Text-book of the Microscope|John William Griffith

British Dictionary definitions for cell wall

cell wall

noun

the outer layer of a cell, esp the structure in plant cells that consists of cellulose, lignin, etc, and gives mechanical support to the cell

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

Cultural definitions for cell wall

cell wall

The rigid outer covering of a typical plant cell, composed mainly of cellulose and lying outside the cell membrane. Animal cells do not have cell walls.

notes for cell wall

It is the cell walls that give plant stems and wood their stiffness.

Medical definitions for cell wall

cell wall

n.

The rigid outermost cell layer found in plants and certain algae, bacteria, and fungi but characteristically absent from animal cells.

Scientific definitions for cell wall

cell wall

The outermost layer of cells in plants, bacteria, fungi, and many algae that gives shape to the cell and protects it from infection. In plants, the cell wall is made up mostly of cellulose, determines tissue texture, and often is crucial to cell function. Compare cell membrane.

单词	cell wall
释义	cell wall noun Biology. the definite boundary or wall that is part of the outer structure of certain cells, as a plant cell. Origin of cell wall First recorded in 1840–50 Words nearby cell wall cellulose, cellulose acetate, cellulose nitrate, cellulose triacetate, cellulosic, cell wall, celly, celo- 3, celom, celo-navigation, celonychia Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for cell wall The cell is frequently, but by no means always, bounded by a cell-wall of greater or less thickness. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8\|Various Many diatoms possess thickenings of the cell-wall, visible in the valve view, in the centre of the valve and at each extremity. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4\|Various During this examination, it will be noticed that the surface of the cell-wall is striated with fine wrinkles. An Elementary Text-book of the Microscope\|John William Griffith Two contiguous cells of two parallel filaments push each a little projection from its cell-wall toward the other. Scientific American Supplement, Vol. XXI., No. 531, March 6, 1886\|Various In the latter case, it forms an inner cell to the cell-wall, and is called the primordial utricle. An Elementary Text-book of the Microscope\|John William Griffith British Dictionary definitions for cell wall cell wall noun the outer layer of a cell, esp the structure in plant cells that consists of cellulose, lignin, etc, and gives mechanical support to the cell 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 Cultural definitions for cell wall cell wall The rigid outer covering of a typical plant cell, composed mainly of cellulose and lying outside the cell membrane. Animal cells do not have cell walls. notes for cell wall It is the cell walls that give plant stems and wood their stiffness. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for cell wall cell wall n. The rigid outermost cell layer found in plants and certain algae, bacteria, and fungi but characteristically absent from animal cells. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for cell wall cell wall The outermost layer of cells in plants, bacteria, fungi, and many algae that gives shape to the cell and protects it from infection. In plants, the cell wall is made up mostly of cellulose, determines tissue texture, and often is crucial to cell function. Compare cell membrane. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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