For two decades, Wellcome Images has presented awards to the best scientific and medical images __that enter its collection each year. This year's collection is stunning, with portraits, illustrations, and microphotography vying with 3D models and scans for the title of overall winner. Individual awards for these winners and the grand prize winner will be announced on March 15.
These 22 images were selected by nine science communicator experts, but you can have a voice too. Vote for your favorite before August 31, and you'll have a chance to win a print of one of these incredible images for yourself.