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Images Dated 21st January 2003

Available as Framed Photos, Photos, Wall Art and Gift Items

Choose from 20 pictures in our Images Dated 21st January 2003 collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.


Artwork of Parkinsons disease drug treatment Featured 21 Jan 2003 Print

Artwork of Parkinsons disease drug treatment

Parkinson's disease treatment. Artwork of Parkinson's disease nerve cells (neurones) being treated with the drug Levodopa (L-dopa). The neurones, with dark blue nuclei and long nerve processes, are in the basal ganglia nerve clusters in the centre of the brain. In the neurones are Lewy bodies (red) which are believed to cause them to degenerate. This results in a lack of the neurotransmitter dopamine, and the muscle tremors and rigid posture of Parkinson's disease sufferers such as the elderly man seen in silhouette. Here, L-dopa (L-dihydroxyphenylalanine) is being converted into dopamine (orange balls) as it moves into the brain from a blood vessel (bottom right)

© John Bavosi/Science Photo Library