Nematoidea

虫

脊椎



Nematoidea \Nem`a*toi"de*a\, prop. n. pl. [NL., fr. Gr. nh^ma,
nh`matos, thread + -oid.] (Zo["o]l.)
A phylum of worms, having a long, round, and generally smooth
body; the roundworms. Called also {Nematodea}, and more
commonly {Nematoda}. Formerly, it was classed as a taxonomic
order.
[1913 Webster +PJC]

Note: The trichina, stomach worm, and pinworm of man belong
to this group. See also {Vinegar eel}, under {Vinegar},
and {Gapeworm}.


Nematoda \Nem`a*to"da\, prop. n. pl. (Zo["o]l.)
A phylum of worms, having a long, round, and generally smooth
body; the roundworms. They are mostly parasites, in plants
and animals, but some are free-living in soil or water. Also
called {Nematoidea}.
[1913 Webster +PJC]