File:Monocot Stem Closed Vascular Bundles in Zea (34877703275).jpg
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[edit]DescriptionMonocot Stem Closed Vascular Bundles in Zea (34877703275).jpg |
cross section: Zea stem magnification: 400x <a href="http://blogs.berkshirecc.edu/bccoer" rel="nofollow">Berkshire Community College Bioscience Image Library</a> There is no apparent stele, rather the vascular bundles are scattered throughout the cortex with numerous small bundles crowded nearly the periphery of the stem and fewer larger bundles towards the center of the stem. The vascular bundles are closed and collateral. Xylem is oriented towards the center of the stem and small amounts phloem to the outside. Cambium is lacking preventing secondary growth. In mature vascular bundles, the earliest protoxylem may break down to produce a large protoxylem cavity. The vascular bundles are wrapped in a bundle sheath of thick walled supportive sclerenchyma cells. |
Date | |
Source | Monocot Stem: Closed Vascular Bundles in Zea |
Author | Berkshire Community College Bioscience Image Library |
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[edit]This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. | |
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http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse |
This image was originally posted to Flickr by bccoer at https://flickr.com/photos/146824358@N03/34877703275 (archive). It was reviewed on 5 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-zero. |
5 October 2019
Files from Berkshire Community College Bioscience Image Library Flickr stream uploaded by Netha Hussain
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current | 19:37, 5 October 2019 | 3,264 × 1,840 (4.02 MB) | Netha Hussain (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Date and time of data generation | 11:00, 10 February 2014 |
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Horizontal resolution | 1 dpc |
Vertical resolution | 1 dpc |
Software used | Windows Photo Editor 10.0.10011.16384 |
File change date and time | 21:13, 24 May 2017 |
Y and C positioning | Centered |
Exif version | 2.3 |
Date and time of digitizing | 11:00, 10 February 2014 |
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DateTimeOriginal subseconds | 00 |
DateTimeDigitized subseconds | 00 |
Supported Flashpix version | 1 |
Color space | sRGB |