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Pronunciation: nath-os'to-ma

Definition: A genus of spiruroid nematode worms (family Gnathostomatidae) characterized by several rows of cuticular spines about the head and by multiple-host aquatic life cycles; it includes pathogenic parasites of cats, cattle, and swine.

[gnatho- + G. stoma, mouth]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.