Definitions for cell wall
cell wall

Princeton's WordNetRate this definition:3.8 / 4 votes

1. cell wallnoun

   a rigid layer of polysaccharides enclosing the membrane of plant and prokaryotic cells; maintains the shape of the cell and serves as a protective barrier

WiktionaryRate this definition:1.0 / 1 vote

1. cell wallnoun

   A thick, fairly rigid, layer formed around individual cells of bacteria, Archaea, fungi, plants, and algae (but not animals and other protists which generally have cell membranes without cell walls). The cell wall is external to the cell membrane and serves a structural function helping the cell maintain its shape and protecting the cell from damage.

WikipediaRate this definition:0.0 / 0 votes

1. Cell wall

   A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural support and protection, and also acts as a filtering mechanism. Cell walls are absent in many eukaryotes, including animals, but are present in some other ones like fungi, algae and plants, and in most prokaryotes (except mollicute bacteria). A major function is to act as pressure vessels, preventing over-expansion of the cell when water enters. The composition of cell walls varies between taxonomic group and species and may depend on cell type and developmental stage. The primary cell wall of land plants is composed of the polysaccharides cellulose, hemicelluloses and pectin. Often, other polymers such as lignin, suberin or cutin are anchored to or embedded in plant cell walls. Algae possess cell walls made of glycoproteins and polysaccharides such as carrageenan and agar that are absent from land plants. In bacteria, the cell wall is composed of peptidoglycan. The cell walls of archaea have various compositions, and may be formed of glycoprotein S-layers, pseudopeptidoglycan, or polysaccharides. Fungi possess cell walls made of the N-acetylglucosamine polymer chitin. Unusually, diatoms have a cell wall composed of biogenic silica.

ChatGPTRate this definition:0.0 / 0 votes

1. cell wall

   A cell wall is a rigid or semi-rigid layer located outside the cell membrane found in various organisms like plants, fungi, and bacteria. It provides the cell with structural support and protection, as well as serving as a filtering mechanism. It also determines the cell's shape and prevents it from expanding when water enters. Unlike animal cells, the cells in plants, fungi, and many types of bacteria have cell walls.

WikidataRate this definition:5.0 / 1 vote

1. Cell wall

   The cell wall is the tough, usually flexible but sometimes fairly rigid layer that surrounds some types of cells. It is located outside the cell membrane and provides these cells with structural support and protection, in addition to acting as a filtering mechanism. A major function of the cell wall is to act as a pressure vessel, preventing over-expansion when water enters the cell. Cell walls are found in plants, bacteria, fungi, algae, and some archaea. Animals and protozoa do not have cell walls. The material in the cell wall varies between species, and can also differ depending on cell type and developmental stage. In bacteria, peptidoglycan forms the cell wall. Archaean cell walls have various compositions, and may be formed of glycoprotein S-layers, pseudopeptidoglycan, or polysaccharides. Fungi possess cell walls made of the glucosamine polymer chitin, and algae typically possess walls made of glycoproteins and polysaccharides. Unusually, diatoms have a cell wall composed of biogenic silica. Often, other accessory molecules are found anchored to the cell wall.

U.S. National Library of MedicineRate this definition:1.0 / 1 vote

1. Cell Wall

   The outermost layer of a cell in most PLANTS; BACTERIA; FUNGI; and ALGAE. The cell wall is usually a rigid structure that lies external to the CELL MEMBRANE, and provides a protective barrier against physical or chemical agents.

Matched Categories

1. • Layer

How to pronounce cell wall?

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How to say cell wall in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of cell wall in Chaldean Numerology is: 9

2. Pythagorean Numerology

   The numerical value of cell wall in Pythagorean Numerology is: 8

Examples of cell wall in a Sentence

1. Andreas Essig:

   Now copsin kills bacteria by binding to an essential cell wall building block, the cell wall you can consider like the achilles heel of bacteria, so when you disrupt the cell wall synthesis bacteria usually dies rapidly. The binding pattern of copsin on this building block is very unique and therefore copsin is active against bacteria resistant to conventional antibiotics.

2. Mike Super:

   What's nice about proteins like this fcMBL from the innate immune system is that they bind the sugars which are part of the cell wall of the pathogens. They bind to the cell wall of bacteria, of fungi, of many viruses and many parasites and they bind to toxins as well.

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=cell wall
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Cell_Wall
3. ^ Wikipedia
   https://en.wikipedia.org/wiki/Cell_Wall
4. ^ ChatGPT
   https://chat.openai.com
5. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=cell wall