sieve tube

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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 ?
Mesophyll cells shrank, and its vessels and sieve tubes ruptured at the tillering stage.
Analysis of the material on the sieve tubes and compensators exchanger in terms of the damage
The scrutiny of the Figures 1,2,3 and 4 showing the transverse sections of lateral vascular bundles along the successive internodes in rachis (numbering 1 to 19) depicts that concurrently with the decline in vascular size, the number and cross-sectional surface area of xylem vessels and sieve tubes declined acropetally and the greatest reduction occurred in the middle segment of spike (between internode 5 to 14).