sieve cell


nounBotany.
  1. 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

1
First recorded in 1870–75

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

Scientific definitions for sieve cell

sieve cell

[ sĭv ]


  1. 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.

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