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Definition of sieve tube element in English: sieve tube element(also sieve tube member) noun Botany A sieve element of a type present in angiosperms, a series of which are joined end to end to form sieve tubes, with sieve plates between the elements. Example sentencesExamples - We found that there was a direct relationship between vigor and the size of sieve tube elements in wood of old trees, but no correlation was found in young trees.
- The active transport causes an osmotic pressure within the sieve tube elements that is about twice as high as that of the surrounding cells of the vascular bundle's sheath.
- Other cell types classified as vascular tissue, such as sieve tube elements and companion cells, did not conduct light efficiently in either stems or roots.
- The protoplasts of adjacent sieve tube elements are interconnected through the sieve plates.
- Strands of cytoplasm called plasmodesmata connect the sieve tube element and companion cell.
Definition of sieve tube element in US English: sieve tube element(also sieve tube member) noun Botany A sieve element of a type present in angiosperms, a series of which are joined end to end to form sieve tubes, with sieve plates between the elements. Example sentencesExamples - The protoplasts of adjacent sieve tube elements are interconnected through the sieve plates.
- The active transport causes an osmotic pressure within the sieve tube elements that is about twice as high as that of the surrounding cells of the vascular bundle's sheath.
- Other cell types classified as vascular tissue, such as sieve tube elements and companion cells, did not conduct light efficiently in either stems or roots.
- Strands of cytoplasm called plasmodesmata connect the sieve tube element and companion cell.
- We found that there was a direct relationship between vigor and the size of sieve tube elements in wood of old trees, but no correlation was found in young trees.
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