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Nemertina   Listen
proper noun
Nemertina  n. pl.  (Zool.) An order of helminths usually having a long, slender, smooth, often bright-colored body, covered with minute vibrating cilia; called also Nemertea, Nemertida, and Rhynchocoela. Note: The mouth is beneath the head, and the straight intestine at the posterior end. They have a very singular long tubular proboscis, which can be everted from a pore in the front of the head. Their nervous system and blood vessels are well developed. Some of the species become over one hundred feet long. They are mostly marine and seldom parasitic; a few inhabit fresh water. The two principal divisions are Anopla and Enopla.






Collaborative International Dictionary of English 0.48








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Words linked to "Nemertina" :   phylum, phylum Nemertea, nemertean, proboscis worm, kingdom Animalia, Animalia, phylum Nemertina, Nemertea, nemertine, animal kingdom, ribbon worm



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