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Nikon Small World Photomicrography 2021 winners

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close-up-of-oak-leaf-surface.Image source, Jason Kirk, Baylor College of Medicine
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This beautiful image by Jason Kirk is the competition winner - but can you guess what it is? It is an oak leaf super close-up. White trichomes protect the leaf from extreme weather and insects, the purple stomata regulate the flow of gases and turquoise vessels transport water through the leaf. (All photos courtesy of Nikon Small World.)

Two populations of neurons separated in a microfluidic deviceImage source, Esmeralda Paric and Holly Stefe
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Coming in second, this striking photograph of two populations of neurons by Esmeralda Paric and Holly Stefe. Neurons are information messengers that use electrical impulses and chemical signals to transmit information between different areas of the brain, and between the brain and the rest of the nervous system.

Leg, claw and breathing organs of a louseImage source, Frank Reiser, Nassau Community College
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Third prize in the Nikon Small World competition went to Frank Reiser for this incredible shot featuring the leg, claw and breathing organs of a louse. The parasitic insect was photographed using a special light to illuminate the specimen - using all its parts in great detail.

A sensory neuron from an embryonic ratImage source, Paula Diaz, Pontificia Universidad Católica, Chile
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Runner-up Paula Diaz took this photo of a neuron in a rat at Pontificia Universidad Católica de Chile in Santiago, Chile. We love the incredible colours coming out from the middle.

Housefly proboscisImage source, Oliver Dum, Medienbunker Produktion
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You will never look at a fly the same way again after this! This is the proboscis, or sucking mouthpart, of a housefly taken by Oliver Dum in Germany.

Table-salt-crystalImage source, Saulius Gugis
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Pass the salt, please. You'll struggle to with this! Believe it or not this is a table salt crystal magnified ten times then photographed by Saulius Gugis in Illinois in the US.

Cotton fabric fibres and pollen cellsImage source, Felice Placenti
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Chances are you are wearing at least half of this photo yourself! These are cotton fabric fibres and pollen cells at ten times magnification, taken by Dr Felice Placenti in Italy.

Breast tissue cellImage source, Jakub Sumbal
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This cool snap, that looks like a deep sea creature, is actually a cell in breast tissue taken by Jakub Sumbal in the Czech Republic.

Cross section of a mouse intestineImage source, Dr. Amy Engevik
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This curious green and pink oval is actually the cross section of a mouse intestine by Dr. Amy Engevik of the Medical University of South Carolina.

vein and delicate scales on a Morpho didius butterfly wingImage source, Sebastien Malo
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This beautiful photo shows the vein and delicate scales on a Morpho didius butterfly wing. Do not be fooled by the yellow, the Morpho didius is a blue butterfly. It was taken at 20 times magnification by Sebastien Malo from France.

head of a tickImage source, Dr Tong Zhang, Dr Paul Stoodley
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If you are a bit squeamish you may want to skip this one. This is the head of a tick taken by Drs. Tong Zhang and Paul Stoodley of Ohio State University. You can see the mouthparts that can suck onto animal and human skin - sometimes for days. Incredible!

vasculature of an adult mouse brainImage source, Dr Andrea Tedeschi
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This is not a strange wintery fairytale forest - it is the inside of a mouse's brain! This super-detailed snap of the vasculature that supply blood to the brain was taken by Dr Andrea Tedeschi at Ohio State University