Definition of Nematoda in English:

Nematoda

plural noun

Zoology
  • A large phylum of worms with slender, unsegmented, cylindrical bodies, including the roundworms, threadworms, and eelworms. They are found abundantly in soil and water, and many are parasites.

    • ‘Other ecdysozoan phyla include Nematoda, Tardigrada, and Onychophora; this classification thus removes onychophorans from the Arthropoda and makes them an outgroup.’
    • ‘The hexagonal arrangement in both adults and larvae of the internal armature in the buccal apparatus may be plesiomorphic, a shared character with Nematoda and Nematomorpha (Nematoida, subgroup of Cycloneuralia).’
    • ‘Furthermore they have several plesiomorphic characters, such as a myoepitheal pharyngeal bulb, comparable to the other Cycloneuralia, especially the Nematoda and Gastrotricha.’
    • ‘Invertebrates were identified to genus or species, with the exception of Nematoda, Turbellaria, and terrestrial invertebrates, which were typically identified only to Family or Order.’
    • ‘For example, both the Nematoda and Platyhelminthes contain obligate parasites as well as free-living species.’

Origin

Modern Latin (plural), from Greek nēma, nēmat- thread.

Pronunciation:

Nematoda

/ˌnɛməˈtəʊdə/