casparian

casparian
cas·par·i·an

English syllables. 2014.

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  • Casparian strip — In plant anatomy, the Casparian strip is a band of Cell wall material in the radial and transverse walls of the endodermis, which is chemically different from the rest of the cell wall. It is used to block the passive flow of materials, such as… …   Wikipedia

  • casparian dot — (ˈ)ka|spa(a)rēən , (ˈ)kä|spär noun Usage: usually capitalized C : the Casparian strip viewed in cross section …   Useful english dictionary

  • Casparian band — Region of plant cell wall specialized to act as a seal to prevent back leakage of secreted material (analogous to tight junctionbetween epithelial cells). Found particularly where root parenchymal cells secrete solutes into xylem vessels …   Dictionary of molecular biology

  • Casparian strip — /kæsˈpɛəriən strɪp/ (say kas pairreeuhn strip) noun Botany an impervious thickened strip in the radial walls of some endodermal cells. {named after Robert Caspary, died 1887, German botanist} …  

  • casparian strip — noun Usage: usually capitalized C Etymology: Robert Caspary died 1887 German botanist + English an : a secondary thickening in many endodermal cells in the form of a continuous band or strip on the radial and transverse walls compare endodermis …   Useful english dictionary

  • Root pressure — Root pressure: osmotic pressure within the cells of a root system that causes sap to rise through a plant stem to the leaves.Root pressure occurs in the xylem of some vascular plants when the soil moisture level is high either at night or when… …   Wikipedia

  • Magnesium in biology — Magnesium is an essential element in biological systems. Magnesium occurs typically as the Mg2+ ion. It is an essential mineral nutrient for life[1][2][3] and is present in every cell type in every organism. For example, ATP (adenosine… …   Wikipedia

  • Suberin — is a waxy substance found in higher plants. Suberin is a main constituent of cork, and is named after the Cork Oak, Quercus suber . Anatomy and physiology Suberin is highly hydrophobic and its main function is to prevent water from penetrating… …   Wikipedia

  • angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction       any member of the more than 300,000 species of flowering plants (division Anthophyta) …   Universalium

  • cortex — /kawr teks/, n., pl. cortices / teuh seez /. 1. Anat., Zool. a. the outer region of an organ or structure, as the outer portion of the kidney. b. the cerebral cortex. 2. Bot. a. the portion of a stem between the epidermis and the vascular tissue; …   Universalium

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