Dictionary X
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... more 10.000 glossed keywords and links to more than 100 figures and schemes, about 100 tables etc. can be obtained in addition to this limited INTERNET version either on CD-ROM or in modified design as book by CRC Press, Taylor & Francis Group, Boca Raton, USA

x: designates the basic number of chromosome sets cyto >>> basic number

xanthophyll: yellowish-brownish (oxygen-containing) carotinoids occurring in the chloroplasts (e.g., the lutein of leaves) bot

X chromosome: a sex chromosome found in a double dose in the homogametic sex and in a single dose in the heterogametic sex cyto

xenia: a situation in which the genotype of the pollen influences the developing embryo of the maternal tissue (endosperm) of the fruit to produce an observable effect on the seed bot

xenogamy (cross-pollination): intercrossing between flowers of different individuals, as opposed to geitonogamy bot

xenotransplant: the implantation of an organ or limb from one species to another organism in a different species hort >>> heterograft

xeric: dry bot

xerograft >>> heterograft

xerophyte: a drought-resistant plant or plants that grow in extremely dry areas bot

xerophytic: growing on dry conditions bot

X rays: electromagnetic radiation having wavelengths in the range of approximately 0.1-10 nm, between ultraviolet radiation and gamma-rays, and capable of penetrating solids meth

Xta >>> chiasma

xylan: a polysaccharide of xylose and a component of hemicellulose phys

xylem: a plant tissue consisting of various types of cells that transports water and dissolved substances toward the leaves bot

xylene >>> xylol

xylol: a liquid solvent prep >>> refraction index

xylose: an aldopentose sugar that is commonly found in plants and especially in woody tissue chem phys

© by R. Schlegel 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

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