| 单词 | medullary ray |
| 释义 | medullary raynoun Botany.(in the stems of woody plants) one of the vertical bands or plates of unspecialized tissue that radiate between the pith and the bark. Also called pith ray. Origin of medullary rayFirst recorded in 1820–30 Words nearby medullary raymedullary cone, medullary groove, medullary membrane, medullary plate, medullary pyramid, medullary ray, medullary sheath, medullary space, medullary sponge kidney, medullary stria of fourth ventricle, medullary stria of thalamus Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for medullary raymedullary ray nounany of the sheets of conducting tissue that run radially through the vascular tissue of some higher plants Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for medullary raymedullary ray n.The center of the renal, cortical lobule, consisting of the ascending or descending limbs of the nephronic loop or of the collecting tubules.Ferrein's pyramid The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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