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Definition of Sieve tube
1. Noun. Tube formed by cells joined end-to-end through which nutrients flow in flowering plants and brown algae.
Medical Definition of Sieve tube
1. The structure within the phloem of higher plants that is responsible for transporting organic material (sucrose, raffinose, amino acids, etc.) from the photosynthetic tissues (e.g. Leaves) to other parts of the plant. Made up of a column of cells (sieve elements) connected by sieve plates. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)
Lexicographical Neighbors of Sieve Tube
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