| nematognath | <zoology> One of the Nematognathi. Source: Websters Dictionary (01 Mar 1998) |
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| nematognathi | <zoology> An order of fishes having barbels on the jaws. It includes the catfishes, or siluroids. See Siluroid. Origin: NL. See nemato-, and Gnathic. Source: Websters Dictionary (01 Mar 1998) |
| nematoid | <zoology> Of or pertaining to the Nematoidea. One of the Nematoidea. Origin: Nemato-. Source: Websters Dictionary (01 Mar 1998) |
| nematoidea | <zoology> An order of worms, having a long, round, and generally smooth body; the roundworms. They are mostly parasites. Called also Nematodea, and Nematoda. The trichina, stomach worm, and pinworm of man belong to this group. See also Vinegar eel, under Vinegar, and Gapeworm. Origin: NL, fr. Gr, thread. Source: Websters Dictionary (01 Mar 1998) |
| nematoidean | <zoology> Nematoid. Source: Websters Dictionary (01 Mar 1998) |
| nematologist | A specialist in nematology. (05 Mar 2000) |
| nematology | The science concerned with all aspects of nematodes, their biology, and their importance to humans. Origin: nematode + G. Logos, study (05 Mar 2000) |
| nematophora | <zoology> Same as Caelenterata. Origin: NL, fr. Gr, a thread + to bear. Source: Websters Dictionary (01 Mar 1998) |
| nematosome | <cell biology> Cytoplasmic inclusion in some neurons. Origin: Gr. Soma = body (18 Nov 1997) |
| nematospermia | Spermatozoa with an elongated tail, as in humans, in contrast to spherospermia. Origin: nemat-+ G. Sperma, seed (05 Mar 2000) |
| nematospiroides | A genus of nematodes found mainly in mice. Its organisms are used in biomedical research. (12 Dec 1998) |
| nematospiroides dubius | A species of intestinal nematode parasites which occur most commonly in mice. Infection is by ingesting larvae. This particular species is used extensively in immunological research. (12 Dec 1998) |