This confocal micrograph shows the nerves in a cross-section of an adult mouse's brain. (Image credit: Luis de la Torre-Ubieta)
An illustration of grains of pollen being released from a a flower in the Asteraceae family. (Image credit: Maurizio De Angelis)
This photograph shows the spine of a 79-year-old woman with kyphosis, or "dowager's hump." (Image credit: Mark Bartley)
This image shows the lungs of a mouse, with the pink spots used to indicate microparticles being delivered to the lungs to research cancer medicine. (Image credit: Gregory Szeto, Adelaide Tovar, and Jeffrey Wyckoff)
An image in the style of the 19th Century drawings of the French neurologist Joseph Jules Dejerine. It shows an MRI of a healthy, adult human brain. Image credit: Dr Flavio Dell'Acqua.
Transmission electron micrographs were used to create this color-coded representation of a fruit-fly's nervous system. Image credit: Albert Cardona.
Each of these bumps contain lenses, which work together to form a greenfly's eye. It can spot quick movements, but can't see far. Image credit: Kevin Mackenzie.
A scanning electron micrograph of a brain cell with a rectangular hole cut in it. Image credit: Khuloud T Al-Jamal, Serene Tay, and Michael Cicirko.
This scanning electron image shows the head of a boll weevil. (Image credit: Daniel Kariko)
The colors in this image show chemical reactions in part of a mouse kidney. (Image credit: Jefferson R Brown, Robert E Marc, Bryan W Jones, Glen Prusky and Nazia Alam)
This ion beam scanning electron micrograph shows the coral-like branches of a Purkinje cell, or neuron. Found in the brain of a rat. (Image credit: Prof M Hausser, Sarah Rieubland, and Arnd Roth)
An old anatomy model. It was about to be thrown out from Trinity College in Dublin before it was rescued by the photographer. (Image credit: Anthony Edwards)
The uterus of a pony with a five month old fetus. The pony was killed in England as part of a regular cull of ponies in the New Forest. (Image credit: Michael Frank)
This is a micro-computed tomography (micro-CT) scan of the skull and front legs of a Tuatara — a reptile native to New Zealand with the characteristics of both lizards and amphibians. (Image credit: Sophie Regnault)
The surface of a cat's tongue from an old Victorian slide. It shows the rough texture of the tongue. (Image credit: David Linstead)
A 3D-printed model of the back of the ribcage and lungs of a woman diagnosed with cancer. (Image credit: Dave Farnham)
An interactive multi-sensory unit used to distract nervous or anxious children undergoing treatment in hospitals. (Image credit: Geraldine Thompson)
A super-resolution micrograph shows an NK cell (the pointed mass on the left) wrapping around a second cell (the slightly less pointy mass on the right). (Image credit: N Dieckmann and N Lawrence)
This photograph shows the interior of a goat's reticulum — the second of its four stomachs. (Image credit: Michael Frank)
A tiny parasite wasp that lays its eggs in other animals. It's just .75 millimeters long. (Image credit: Andrew Polaszek)