This coloured scanning electron micrograph of the head of a pork tapeworm – Taenia solium – shows the hooks it uses to cling to its host.
Tapeworms are parasitic flatworms that live in the digestive tract of their vertebrate host.
This image is part of the 2015 International Images for Science exhibition. Entries are now being accepted for the International Images of Science 2016. The competition is organised by The Royal Photographic Society and supported by Siemens as part of the Curiosity project. The competition is free to enter, simply register online at www.rps-science.org and upload your images.