sieve tube

sieve tube

sieve tube Word Origin noun Botany.

  1. a vertical series of sieve cells in the phloem, specialized for the conduction of food materials.
  2. a single sieve cell.

Origin of sieve tube First recorded in 1870–75 British Dictionary definitions for sieve tube sieve tube noun

  1. botany an element of phloem tissue consisting of a longitudinal row of thin-walled elongated cells with perforations in their connecting walls through which food materials pass

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