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, 14:21, 21 December 2008
http://commons.wikimedia.org/wiki/File:Toxoplasma_gondii_tachy.jpg
Description: "Toxoplasma gondii tachyzoites, stained with Giemsa, from a smear of peritoneal fluid obtained from a mouse inoculated with T. gondii. Tachyzoites are typically crescent shaped with a prominent, centrally placed nucleus."