CLOUDS HILL IMAGING LTD / SCIENCE PHOTO LIBRARY CLOUDS HILL IMAGING LTD / SCIENCE PHOTO LIBRARY
Tapeworm head. Coloured scanning electron micrograph of the head (scolex) of a tapeworm (Platybothrium auriculatum) found in a blue shark (Prionace glauca), showing the hooks used to attach to the host animal's digestive tract. Tapeworms are parasites that live in animal intestines feeding off the food ingested by the host.
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