London, United Kingdom
Bladder Wrack (fucus Vesiculosus)
Dr Keith Wheeler
Photograph - Photograph
Bladder wrack (Fucus vesiculosus) seaweed in a rock pool. As a good source of iodine this seaweed was used in the nineteenth century to treat goitre. Goitre is a swelling of the thyroid gland caused by iodine deficiency.
May 6th, 2013
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