- a nematode, Trichinella spiralis, the adults of which live in the intestine and produce larvae that encyst in the muscle tissue, especially in pigs, rats, and humans.
Origin of trichina
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for trichina
In the pig, the trichina, if present, may always be found in the muscles of the eye.Cooley's Practical Receipts, Volume II
Some species are of microscopic size; as the Trichina worm, which is about 1/20 in.Elementary Zoology, Second Edition
Vernon L. Kellogg
The Trichina is a nematode worm, and not an insect, as it was at first called.Animal Parasites and Messmates
P. J. Van Beneden
Nearly 50,000 Trichina were counted in an infected leg of pork (Rupprecht).Parasites
T. Spencer Cobbold
The trichina capsules commonly measure about one-fifth of a line long, and the coiled worm within is scarcely a half-line long.
- a parasitic nematode worm, Trichinella spiralis, occurring in the intestines of pigs, rats, and man and producing larvae that form cysts in skeletal muscle
C19: from New Latin, from Greek trikhinos relating to hair, from thrix a hair
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A small, slender parasitic nematode (Trichinella spiralis) that infests the intestines of various mammals and whose larvae move through the bloodstream, becoming encysted in muscles.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.