51Թ

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sieve cell

noun

Botany.

  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.

sieve cell

  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.

  2. Compare sieve-tube element

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51Թ History and Origins

Origin of sieve cell1

First recorded in 1870–75

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sievesieve of Eratosthenes

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