sieve tube


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to sieve tube: sieve plate

sieve tube

n.
A tube through which food is conducted in angiosperms, formed of a series of sieve-tube elements joined end to end.

sieve tube

n
(Botany) 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

sieve′ tube`



n. Bot.
a vertical series of cylindrical cells in the phloem, specialized for the conduction of food materials.
[1870–75]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sieve tube - tube formed by cells joined end-to-end through which nutrients flow in flowering plants and brown algae
vascular tissue - tissue that conducts water and nutrients through the plant body in higher plants
phloem, bast - (botany) tissue that conducts synthesized food substances (e.g., from leaves) to parts where needed; consists primarily of sieve tubes
References in periodicals archive ?
Primary phloem tissue is made up of sieve tube members, companion cells, fibers, and parenchyma.
Its bast consists of sieve tube elements, some fibres and parenchyma (Fig 1D).