英语词汇“sieve cell”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	sieve cell
释义	sieve cell noun Botany. an elongated cell whose walls contain perforations (sieve pores ) that are arranged in circumscribed areas (sieve plates ) and that afford communication with similar adjacent cells. Origin of sieve cell First recorded in 1870–75 Words nearby sieve cell Sierra Vista, sies, siesta, sieva bean, sieve, sieve cell, sieve graft, sieve of Eratosthenes, Sievers, sievert, sieve tube Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Scientific definitions for sieve cell sieve cell [ sĭv ] An elongated, food-conducting cell in phloem characteristic of gymnosperms. Sieve cells have pores through which nutrients flow from cell to cell, but they have no sieve plates like the more specialized sieve-tube elements of angiosperms. Compare sieve-tube element. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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sieve cell