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单词 gnathostoma
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Gnathostoma


Gna`thos´to`ma


n. pl.1.(Zool.) A comprehensive division of vertebrates, including all that have distinct jaws, in contrast with the leptocardians and marsipobranchs (Cyclostoma), which lack them.

Gnathostoma


Gnathostoma

(nath-os'tō-mă), 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]

Gnath·os·to·ma

(nath-os'tō-mă) 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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