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This light micrograph of a section through a teasel bud shows a complex pattern controlled by the same family of genes that controls the layout of animal and human bodies as well. Teasels are thistle-like wild flowers that have long been used in traditional herbal medicine. Teasel root tea was once used to stimulate the appetite, reduce fluid retention and help some liver complaints. Bruised roots were used in an ointment to treat warts, and teasels were even used to ward off witches.

Technical Details

B0006295 Section through a teasel bud. Wellcome Images available under the following creative commons usage

Biological Sources

NCBI Organism Classification

Biological Context

Biological Process
bud organization


Spike Walker
Wellcome Images


Image Type
recorded image
Imaging Mode
bright-field microscopy
Parameters Imaged
absorption of illumination
Source of Contrast
differences in adsorption or binding of stain
Processing History
unprocessed raw data

Sample Preparation

Relation To Intact Cell
sectioned tissue


Spatial Axis Image Size Pixel Size
X 756px ——
Y 576px ——
*CIL – Cell Image Library accession number. Please use this to reference an image.