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lancelet

Syllabification: lance·let
Pronunciation: /ˈlanslit
 
/

Definition of lancelet in English:

noun

A small elongated marine invertebrate that resembles a fish but lacks jaws and obvious sense organs. Lancelets possess a notochord and are among the most primitive chordates.
Example sentences
  • Biologists could examine the many living animals (such as lancelets and sea squirts) that represented stages in the transition from the invertebrates to the earliest jawless fishes.
  • In lancelets, the trunk somites extend and fuse ventrally to give the unsegmented periviscelar coelom.
  • Unlike lancelets, however, Haikouella possessed a small number of pharyngeal bars that may have been composed of mucocartilage, as in modern lampreys.

Origin

mid 19th century: from the noun lance (because of its long narrow form) + -let.

Definition of lancelet in:

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