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I observed a transverse section of an amaranth stem in biology lesson today. When I boost the magnification to 600X, I found this spring-like structure in one of the parenchyma cells near a vascular bundle. I could only find one of these in the section. Can anyone tell what structure is it?

enter image description here

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It looks like a part of a xylem cell (particularly vessel). Take a look at pics in wiki article. Another good example is here on pic. 36. Possibly you have dragged a part of it during cutting. So it is presumably not a part of parenchyma cell.

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  • $\begingroup$ I came here to ask the same question. Thanks for the answer and links! $\endgroup$
    – user480029
    Commented Nov 25, 2023 at 18:18

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