Thursday, April 21, 2011

Red blood cells



Hair cell in the ear



Blood vessels emerging from the optic nerve



Human egg with coronal cells



Sperm on the surface of a human egg



Human embryo and sperm



Coloured image of a 6 day old human embryo implanting



Tooth plaque



Split end of human hair



Alveoli in the lung



Purkinje neurons



Tongue with taste bud



Villi of small intestine



Blood clot



Lung cancer cells

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