sieve cell
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sieve cell
n.
An elongated, food-conducting cell in phloem characteristic of gymnosperms and ferns, having pores but lacking sieve plates.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.