DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Coloured scanning electron micrograph (SEM) of Intestinal tapeworm proglottids (Taenia sp). Tapeworms are a type of flatworm that can parasitize animal and human intestines. Body segments called proglottids are budded off from the head and neck region of the tapeworm while the tapeworm grows in the intestine. Tapeworms have no digestive systems of their own but absorb directly through their skin the food ingested and broken down by the host. Tapeworms can cause diarrhoea, weight loss and abdominal discomfort in humans. Adult tapeworms may grow 5-10 meters in length. Magnification x4 when shortest axis printed at 25 millimetres.
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