Definition of nemertean in English:


Line breaks: nem¦er|tean
Pronunciation: /nɛməˈtiːən
, nɪˈməːtɪən
(also nemertine /ˈnɛmətiːn, ˈnɛmətʌɪn/) Zoology


A member of the small phylum Nemertea; a ribbon worm.
More example sentences
  • Such an association of cells and mechanism of precursor translocation have not been reported from nemerteans previously.
  • The organization of the body compartment between the epidermis and gut in nemerteans and flatworms also does not reveal a uniquely similar pattern.
  • Frontal glands have been cited in the classical literature as probable homologues of Platyhelminthes and nemerteans.


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Relating to or denoting nemerteans.
More example sentences
  • The focal stage for this analysis is the early period of embryo encapsulation, a mode of development that has evolved several times among gastropods, polychaetes, nemerteans and flatworms.
  • Consequently, his conclusion that platyhelminths, nemerteans, and rotifers ‘appear to have never had’ a prototroch is not supported by his analysis.
  • Although long considered a character informative for linking nemerteans and platyhelminths, rigorous comparative analyses of protonephridial morphology have revealed no synapomorphies of nemertean and platyhelminth nephridia.

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