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单词 vascular bundle
释义

WordReference Random House Unabridged Dictionary of American English © 2024
vascular bundle, [Bot.]
  1. Botanya longitudinal arrangement of strands of xylem and phloem, and sometimes cambium, that forms the fluid-conducting channels of vascular tissue in the rhizomes, stems, and leaf veins of vascular plants, the arrangement varying with the type of plant.
  • 1880–85

Collins Concise English Dictionary © HarperCollins Publishers::
vascular bundle n
  1. a longitudinal strand of vascular tissue in the stems and leaves of higher plants
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