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Medical Definition of Ascaridorida
1. An order of nematodes of the subclass secernentea. Its organisms possess two or three pairs of dorsolateral caudal papillae. (12 Dec 1998)
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1. An order of nematodes of the subclass secernentea. Its organisms possess two or three pairs of dorsolateral caudal papillae. (12 Dec 1998)