Howard, Louisa (2021). CIL:40390, Helianthus annuus. In Cell Image Library. UC San Diego Library Digital Collections. Dataset. https://doi.org/10.6075/J0JW8D62

Scanning electron microscope image of cross-section through Helianthus annuus (sunflower) stem. The image shows the outer epidermal layer, followed by the cortex and then large vascular bundles. The vascular bundles have vascular cambium between the phloem (nearest the cortex) and xylem.This image is part of a group on botanical stems (CIL:40378-40395).

• 2021

• Howard, Louisa

Image collected on a Zeiss DSM 962 SEM. Complete specimen preparation protocol available at:
http://remf.dartmouth.edu:8080/EM-Wiki/36

Preparation: glutaraldehyde fixed tissue; critical_point dried specimen; ethanol dehydration
Relation to intact cell: sectioned tissue
Item type: recorded image
Imaging mode: scanning electron microscopy (SEM)
Parameter imaged: elastic scattering of electrons
Source of contrast: differences in adsorption or binding of stain
Visualization methods: osmium tetroxide; shadowing and plating
Processing history: unprocessed raw data

• Cell Image Library Group ID: 11389

• Helianthus annuus

• Cortex
• Phloem
• Vascular bundle
• Vascular cambium
• Xylem

• Plant stem organization

• data
• image

• No linguistic content; Not applicable

Samplenumber: 40390

Doi: https://doi.org/10.6075/J0JW8D62

Source data

• Source Record in the Cell Image Library: https://doi.org/10.7295/W9CIL40390

Other resource

• Dartmouth College Electron Microscope Facility (search on the string "botanical stem"): https://www.dartmouth.edu/emlab/gallery/index.php

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Research Data Curation Program, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/rdcp)

2022-08-12