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Home > All Images > 2003 > January > 21 Jan 2003

Images Dated 21st January 2003

Choose from 32 pictures in our Images Dated 21st January 2003 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


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

Coloured MRI brain scan of abscess in meningitis Featured 21 Jan 2003 Print

Coloured MRI brain scan of abscess in meningitis

Abscess in meningitis. Coloured magnetic resonance imaging (MRI) brain scan of a seven month old baby girl showing a subdural abscess (red, upper left) due to meningitis. The front of the brain (green & yellow), seen in horizontal (axial) section, is at top. The brain's fluid-filled cavities (ventric- les) are red. Meningitis is an inflammation of the membranous meninges (seen as the wavy orange line around the brain) that cover and protect the brain and spinal cord. It is caused by bacterial or viral infection. The abscess has developed in the meninges as a result of the infection. While the viral form is mild, bacterial meningitis is highly dangerous and requires strong antibiotics

© MEHAU KULYK/SCIENCE PHOTO LIBRARY