sieve cell

sieve cell Word Origin 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.

Origin of sieve cell First recorded in 1870–75 sieve cell in Science 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.