amphioxus

American  

[am-fee-ok-suhs] / ˌæm fiˈɒk səs /

noun

plural

amphioxi, amphioxuses

1. Zoology. lancelet.

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amphioxus British  

/ ˌæmfɪˈɒksəs /

noun

1. another name for the lancelet

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amphioxus Scientific  

/ ăm′fē-ŏk′səs /

1. See lancelet

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Etymology

Origin of amphioxus

1830–40; < New Latin: literally, sharp at both ends < Greek amphi- amphi- + oxýs pointed

Example Sentences

The hemichordate genomes exhibit extensive conserved synteny with amphioxus and other bilaterians, and deeply conserved non-coding sequences that are candidates for conserved gene-regulatory elements.

From Nature • Nov. 17, 2015

All homeobox genes identified in the genomes of the two hemichordates and amphioxus are listed in the Supplementary Table for Extended Data Fig.

From Nature • Nov. 17, 2015

All homeobox genes identified in the genomes of the two hemichordates and amphioxus are listed in the Supplementary Table for Extended Data Fig.

From Nature • Nov. 17, 2015

As in amphioxus, the pharynx of Saccoglossus is heavily ciliated44, 45, and cells of the pharyngeal walls in hemichordates and the ventral endostyle in amphioxus secrete abundant mucins and glycoproteins46.

From Nature • Nov. 17, 2015

Wilson's results, obtained by shaking apart the segmentation spheres, were even more interesting, as they were performed upon amphioxus, a more highly-organized animal.

From The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development by Hertwig, Oscar