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Images Dated 12th September 2002

Choose from 35 pictures in our Images Dated 12th September 2002 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Ebola virus Featured 12 Sep 2002 Print

Ebola virus

Ebola virus. Coloured transmission electron micro- graph of a single Ebola virus, the cause of Ebola fever. It is one of the group of filoviruses, so- called for its thin and long shape. Here the viral filament is seen looping in on itself. A number of major outbreaks of this severe, frequently fatal viral haemorrhagic fever have occurred in equatorial Africa since 1976, one in Zaire in 1995. The virus appears similar to, but is antigenically distinct from the Marburg virus which causes green monkey disease. The illnesses from both Ebola and Marburg viruses are similar, with fever, skin rash, and haemorrhage. Death may be rapid. Magnification: x19, 000 at 6x7cm size. x66, 500 at 8x10". This is the "reston" strain of Ebola, from Philadelphia, USA

© Barry Dowsett/Science Photo Library

Brainwaves Featured 12 Sep 2002 Print


Brainwaves. Abstract illustration of a spiked waveform and the human brain, depicting a thought pattern or some mental state. It may also repre- sent headache or the pain of migraine. Electrical impulses are produced by the activity of the brain when measured on an EEG (electro-encephalogram). Such wave patterns alter when awake, asleep, or undergoing thought processes. At above centre, the folded cerebrum of the brain can be seen: this largest area of the brain is concerned with con- scious thought, sensation and movement. Below centre, the brainstem (attaches the spinal cord) and cerebellum (at right) are involved in uncons- cious body functions of breathing and balance

© John Bavosi/Science Photo Library