英语词汇“sieve tube element”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

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.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.

单词	sieve tube element
释义	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.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.
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