Onion epidermal cell
id:
onion-epidermal-cell-162-5843449
title:
Onion epidermal cell
text:
The epidermal cells of onions provide a protective layer against viruses and fungi that may harm the sensitive tissues. Because of their simple structure and transparency they are often used to introduce students to plant anatomy or to demonstrate plasmolysis.
The clear epidermal cells exist in a single layer and do not contain chloroplasts, because the onion fruiting body (bulb) is used for storing energy, not photosynthesis.
Each plant cell has a cell wall, cell membrane, cytoplasm, nucleus, a
brand slug:
wiki
category slug:
encyclopedia
description:
Outer cell layer
original url:
https://en.wikipedia.org/wiki/Onion_epidermal_cell
date created:
2009-02-13T01:23:39Z
date modified:
2024-08-27T18:30:06Z
main entity:
{"identifier":"Q7093928","url":"https://www.wikidata.org/entity/Q7093928"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/1/1a/Cells_from_a_red_onion_epidermal_peel.tif","width":998,"height":698}
fields total:
13
integrity:
16