Light micrograph of trichinella larva in muscle

Light micrograph of trichinella larva in muscle

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Credit: JOHN BURBIDGE/SCIENCE PHOTO LIBRARY

Caption: Trichinella larva. Light micrograph of a Trichin- ella spiralis larva (purple) coiled inside a cyst (blue) in muscle tissue. The red stripes are mus- cle fibres. T. spiralis is a parasitic nematode worm that can infect a variety of mammals, including pigs, dogs, rats and humans. Human infection causes the disease trichinosis, which is usually caused by eating contaminated, undercooked pork. The larvae mature in the intestines and pro- duce fresh larvae that migrate around the body, causing fever and pains and forming cysts in the muscles, like this one. The worms are killed by the anthelmintic drug thiabenzadole. Magnification x124 at 6x7 cm size. Magnification: x160 at 6x9cm size.

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Keywords: animal, cyst, invertebrate, invertebrates, larva, muscle, nature, nematoda, nematode, roundworm, trichinella spiralis, trichinosis, wildlife, zoology

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