medullary ray(redirected from Antoine Ferrein)
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(Botany) any of the sheets of conducting tissue that run radially through the vascular tissue of some higher plants
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a vertical band or plate of unspecialized tissue that radiates between the pith and the bark in the stems of woody plants.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||medullary ray - a sheet of vascular tissue separating the vascular bundles|
vascular tissue - tissue that conducts water and nutrients through the plant body in higher plants
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