Skip to Content
Medical Term:


Pronunciation: trik'yu'ris

Definition: A genus of aphasmid nematodes (sometimes improperly termed Trichocephalus) related to the trichina worm, Trichinella spiralis, and having a body with a slender, elongated, anterior portion threaded into the mucosa of the colon or large intestine of the host and a thick posterior portion bearing reproductive organs and their products. Trichuris contains about 70 species, all in mammals.

[tricho- + G. oura, tail]

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.