Under the microscope: Nikon Small World photomicrography 2024 – in pictures

Spider eyes, butterfly wing scales, truffle spores and slime mould come under the spotlight in the 50th anniversary of the Nikon Small World photomicrography competition. The award celebrates photography through the light microscope, capturing the breathtaking beauty of a world hidden from the naked eye

· the Guardian

First place

Differentiated mouse brain tumor cells (actin, microtubules and nuclei).

Photograph: Dr Bruno Cisterna and Dr Eric Vitriol/Nikon Small World

Second place

Image stacking for the pin and wire combined with long exposure for the electrical arcs.

Photograph: Dr Marcel Clemens/Nikon Small World

Third place

Leaf of a cannabis plant. The bulbous glands are trichomes. The bubbles inside are cannabinoid vesicles.

Photograph: Chris Romaine/Nikon Small World

Fourth place

Section of a small intestine of a mouse.

Photograph: Dr Amy Engevik/Nikon Small World

Fifth place

A cluster of octopus eggs.

Photograph: Thomas Barlow & Connor Gibbons/Nikon Small World

Sixth place

Slime mould (Cribraria cancellata).

Photograph: Henri Koskinen/Nikon Small World

Seventh place

Cross-section of European beach grass (Ammophila arenaria) leaf.

Photograph: Gerhard Vlcek/Nikon Small World

Eighth place

A neuron densely covered in dendritic spines from the striatum of an adult rat brain.

Photograph: Stephanie Huang/Nikon Small World

Ninth place

Pollen in the web of a garden spider (Araneus).

Photograph: John-Oliver Dum/Nikon Small World

Tenth place

Spores of black truffle (Tuber melanosporum).

Photograph: Jan Martinek/Nikon Small World

Eleventh place

Slime mould on a rotten twig with water droplets.

Photograph: Dr Ferenc Halmos/Nikon Small World

Twelfth place

Wing scales of a butterfly (Papilio ulysses) on a medical syringe.

Photograph: Daniel Knop/Nikon Small World

Thirteenth place

Eyes of green crab spider (Diaea dorsata).

Photograph: Paweł Błachowicz/Nikon Small World

Fourteenth place

Recrystallised mixture of hydroquinone and myoinositol.

Photograph: Marek Miś/Nikon Small World

Fifteenth place

Isolated scales on Madagascan sunset moth wing (Chrysiridia rhipheus).

Photograph: Sébastien Malo/Nikon Small World

Sixteenth place

Two water fleas (Daphnia) with embryos (left) and eggs (right).

Photograph: Marek Miś/Nikon Small World

Seventeenth place

Stonewort algae (Chara virgata).

Photograph: Frantisek Bednar/Nikon Small World

Eighteenth place

An insect egg parasitised by a wasp.

Photograph: Alison K Pollack/Nikon Small World

Nineteenth place

Seed of a silene plant.

Photograph: Alison K Pollack/Nikon Small World

Twentieth place

Early stage of mouse glioblastoma cell differentiation.

Photograph: Dr. Bruno Cisterna & Dr. Eric Vitriol/Nikon Small World