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单词 vascular ray
释义

vascular ray


noun Botany.

a radiate band of parenchyma in the secondary xylem extending into the secondary phloem of the stems of certain vascular plants, formed by the cambium and serving for the storage of food and the conduction of nutriments.

Origin of vascular ray

First recorded in 1665–75

Words nearby vascular ray

vascular layer, vascular leiomyoma, vascular nerve, vascular plant, vascular polyp, vascular ray, vascular ring, vascular spider, vascular system, vascular tissue, vascular zone
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for vascular ray

vascular ray

noun

another name for medullary ray
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
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更新时间:2024/11/14 5:54:36