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Small World: Gallery of Microscopic Beauty

Kangaroo Rat Kidneys

Nikon Small World 2011

(Image credit: Dr. Lynne Chang, Harvard Medical School, Boston, MA )

Keratin filaments in the cytoplasm and nucleus of rat kidney cells help the cells maintain their shape in this Nikon Small World image by Harvard's Lynne Chang. The annual photograph competition highlights microscopic images, and winners will be announced in October. [Gallery of Last Year's Winners]

Tiny Trap

Nikon Small World 2011

(Image credit: Mr. Jose R. Almodovar, Microscopy Center, Biology Department, UPR Mayaguez Campus, Mayaguez, Puerto Rico )

Jose R. Almodovar of the UPR Mayaguez Campus took this photo of a bladderwort bladder for the 2011 Nikon Small World photography contest. Bladderworts are carnivorous plants that trap tiny organisms in their bladders for digestion.

Silver Wattle Anther

Nikon Small World 2011

(Image credit: Dr. Marta Guervos, Image Processing Unit, Scientific-Technical Facilities, University of Oviedo Asturias, Spain )

Dr. Marta Guervos of the University of Oviedo in Asturias, Spain zoomed in on the anther of a silver wattle or mimosa tree for the 2011 Nikon Small World photography competition.

Red Velvet

Nikon Small World 2011

(Image credit: Dr. David Maitland, www.davidmaitland.com, Feltwell, UK )

Dr. David Maitland of Feltwell, UK gets very close to a red velvet mite, a tiny arachnid, for his Nikon Small World entry.

Earworms

Nikon Small World 2011

(Image credit: Dr. Witold Kilarski, EPFL-Laboratory of Lymphatic and Cancer, Lausanne, Switzerland )

Parasitic filaria worms (in red) inside the lymphatic cells of a mouse's ear, taken for the 2011 Nikon Small World competition by Dr. Witold Kilarski of the EPFL-Laboratory of Lymphatic and Cancer in Lausanne, Switzerland. The worms are a parasitic nematode. Some species are known to infect humans.

Cow Cells

Nikon Small World 2011

(Image credit: Dr. Torsten Wittmann, University of California, San Francisco)

The University of San Francisco's Dr. Torsten Wittmann captured this shot of bovine pulmonary artery cells stained so that actin, mitochondria and DNA appear in yellow and blue.

For more photos, and to vote on your favorite, visit www.nikonsmallworld.com.