HyperDic: sieve_tube

English > 1 sense of the expression sieve tube:
NOUNplantsieve tubetube formed by cells joined end-to-end through which nutrients flow in flowering plants and brown algae
English > sieve tube: 1 sense > noun 1, plant
Meaningtube formed by cells joined end-to-end through which nutrients flow in flowering plants and brown algae.
Part ofphloem, bast(botany) tissue that conducts synthesized food substances (e.g., from leaves) to parts where needed
Broadervascular tissuetissue that conducts water and nutrients through the plant body in higher plants

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