File:Herbaceous Dicot Stem Pericycle in Older Richinus (35474127234).jpg

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cross section: Richinus stem magnification: 400x

The cortex is divided into two distinct zones; a large outer zone of thick walled collenchyma and a narrow inner zone of loosely packed parenchyma cells. The innermost area of the cortex is marked by a starch sheath or endodermis of tightly packed cells.

The outer layer of the stele is defined by a many layered pericycle of parenchyma cells interspaced with bundles of heavy walled supportive sclerenchyma cells.
Date
Source Herbaceous Dicot Stem: Pericycle in Older Richinus
Author Berkshire Community College Bioscience Image Library

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Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

This image was originally posted to Flickr by bccoer at https://flickr.com/photos/146824358@N03/35474127234 (archive). It was reviewed on 23 June 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-zero.

23 June 2018

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current00:00, 23 June 2018Thumbnail for version as of 00:00, 23 June 20183,264 × 1,840 (1.17 MB)Meisam (talk | contribs)Transferred from Flickr via #flickr2commons

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