glycocalyx


glycocalyx
The region, seen by electron microscopy, external to the outer dense line of the plasma membranethat appears to be rich in glycosidic compounds such as proteoglycans and glycoproteins. Since these molecules are often integral membrane proteins and may be denatured by the processes of fixation for electron microscopy, it might be better to avoid the term or to refer to membrane glycoproteins or to proteoglycans associated with the cell surface.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • Glycocalyx — is a general term referring to extracellular polymeric material produced by some bacteria, epithelia and other cells. The slime on the outside of a fish is considered a glycocalyx. The term was initially applied to the polysaccharide matrix… …   Wikipedia

  • Glycocalyx — Le glycocalyx (ou feutrage micro fibrillaire, cell coat ou encore glycolemme) est un élément ubiquitaire (présent chez tous les types cellulaires eucaryotes) proposant une protection à la membrane externe de la cellule. Il est composé d une… …   Wikipédia en Français

  • glycocalyx — A PAS positive filamentous coating on the apical surface of certain epithelial cells, composed of carbohydrate moieties of proteins that protrude from the free surface of the plasma membrane. [glyco + G. kalyx, husk, shell] * * * …   Medical dictionary

  • Glycocalyx — glikokaliksas statusas T sritis histologija, ląstelių chemija, histologinė chemija, audinių kultūra atitikmenys: lot. Glycocalyx ryšiai: platesnis terminas – ląstelės apvalkalas …   Veterinarinės anatomijos, histologijos ir embriologijos terminai

  • Glycocalyx — Die Glykokalyx, auch Kapsel oder Schleimhülle genannt, ist eine Schicht an der Außenfläche der Zellmembran bei eukaryotischen Zellen, aber auch an der Außenseite der Zellwand bei prokaryotischen Zellen. Sie besteht aus Polysacchariden, die… …   Deutsch Wikipedia

  • glycocalyx — n. [Gr. glykys, sweet; kalyx, covering] 1. A filamentous layer containing carbohydrate, found on the outer surface of many cells. 2. (ACANTHOCEPHALA) Formerly known as epicuticle …   Dictionary of invertebrate zoology

  • glycocalyx — (gli ko kal iks) A network of polysaccharides extending from the surface of bacteria and other cells …   Dictionary of microbiology

  • glycocalyx — noun A filamentous coating of glycoprotein and polysaccharide on the surface of bacteria and some other cells …   Wiktionary

  • glycocalyx — gly·co·calyx …   English syllables

  • glycocalyx — ¦glīkōˌ noun Etymology: glyc + calyx : a polysaccharide or glycoprotein covering on a cell surface …   Useful english dictionary


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