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Trichinellosis
[Trichinella spp.]

Adult Trichinella spp. reside in the intestinal tract of the vertebrate host; larvae can be found encapsulated in muscle tissue.  Diagnosis is usually made serologically or based on observation of the larvae in muscle tissue following biopsies or autopsies.

Trichinella in tongue tissue, stained with H&E Trichinella in tongue tissue, stained with H&E
A B

A, B:  Trichinella larvae in tongue muscle of a rat, stained with hematoxylin and eosin (H&E). Both images captured at 400x magnification.

 
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