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Urochordate (Noun)

Meaning

Primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva.

Classification

Nouns denoting animals.

Examples

  • Urochordates, such as tunicates, lead a sedentary or free-swimming lifestyle, and are found in oceans around the world.
  • Some experts argue that the early development of urochordates provides valuable insights into the evolution of vertebrates.
  • The larva of a urochordate resembles that of the primitive chordates, with a distinctive notochord and pharyngeal slits.
  • This suggests that urochordates diverged from the common chordate ancestor before the separation of vertebrates and other deuterostomes.
  • The development and metamorphosis of urochordates shares significant similarities with those of lancelets, cephalochordates and craniates.

Synonyms

  • Urochord
  • Tunicate

Hypernyms

  • Chordate

Hyponyms

  • Larvacean
  • Salp
  • Doliolum
  • Appendicularia
  • Ascidian
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