Biology 625
Supplemental visual material

Muscle larvae of Trichinella spiralis
(Enoplea: Trichurida)

Definitive hosts: this species infects a wide variety of mammals, including humans; carnivores and scavengers are most commonly infected
Site of infection: adults in small intestine; larvae encysted within nurse cells in skeletal muscles
Typical size: adult males about 1.5 mm in length; adult females about 3 mm in length
Distribution: cosmopolitan


Originals; photographs by S.J. Upton

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Kansas State University | Biology Division