am·phi·ox·us

(ăm′fē-ŏk′səs)

[amphi- + Greek oxus, sharp; see ak- in Indo-European roots.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

amphioxus

(ˌæmfɪˈɒksəs)

n, pl -oxi (-ˈɒksaɪ) or -oxuses

(Animals) another name for the lancelet

[C19: from New Latin: both ends being sharp, from amphi- + Greek oxus sharp]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

lance•let

(ˈlæns lɪt, ˈlɑns-)

n.

any small, lancet-shaped burrowing marine animal of the subphylum Cephalochordata, having a notochord and numerous gill slits. Also called amphioxus.

[1565–75]

am·phi·ox·us

(ăm′fē-ŏk′səs)

See lancelet.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

amphioxus - small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrates

lancelet

cephalochordate - fish-like animals having a notochord rather than a true spinal column

genus Amphioxus - type genus of the Amphioxidae

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References in periodicals archive

Apart from Sudan, Arabic cinema at the Berlinanle was represented by the Lebanese Ghassan Salhab with his film 'An Open Rose' and by Palestinian filmmakers Akram Zaatari, with his short film 'The Script', and Kamal Al Jaafari, with his experimental short 'It's a Long Way from Amphioxus'.

Sudanese filmmakers shine at Berline film festival

Among the titles in the projection program of Forum Expanded is "It's a Long Way from Amphioxus," by Berlin-based Palestinian filmmaker Kamal Aljafari.

On Rosa Luxemburg, asylum-seekers

The study, co-led by Australian researchers, analysed the DNA of "Amphioxus" and uncovered the "tricks" used to control gene expression, which may have originated much earlier than thought, Xinhua news agency quoted a statement by Garvan Institute of Medical Research in Australia.

Ancient genetic mechanism's discovery to aid treatment: Study

Identification, expression and regulation of amphioxus G6Pase gene with an emphasis on origin of liver.

MAFB mediates the therapeutic effect of sleeve gastrectomy for obese diabetes mellitus by activation of FXR expression

Vertebrate-like regeneration in the invertebrate chordate amphioxus. Proc.

Getting a Head with Ptychodera flava Larval Regeneration

Amphioxus and ascidian Dmbx homeobox genes give clues to the vertebrate origins of midbrain development.

Identification, Molecular Characterization and Expression Pattern Analysis of SoxD Subgroup Genes in Yellow River Carp (Cyprinus carpio)

They suggested that the amphioxus GDF8/11 could be an ancestral GDF8/GDF11 homologue of vertebrates.

Bioinformatics Characterization of Growth Differentiation Factor 11 of Oryctolagus cuniculus

Expression and regulation by thyroid hormone (TH) of zebrafish IGF-I gene and amphioxus IGF-l gene with implication of the origin of TH/IGF signaling pathway.

Comparison of gene expression patterns of key growth genes between different rate growths in zebrafish (Danio rerio) siblings

Amphioxus or lancelet belongs to the subphylum Cephalochordata, an extant representative of the most basal chordates.

Activities of Amphioxus GH-Like Protein in Osmoregulation: Insight into Origin of Vertebrate GH Family

Given the structural similarities, it is believed that all these MHC I or MHC I-like molecules have evolutionary lineage with a common ancestor.[sup][13] The MHC locus has been found in all jawed vertebrates, however, the proto-MHC could trace back to the cephalochordate (amphioxus) and jawless vertebrate lineages.[sup][110],[111],[112] MHC II genes were firstly derived from proto-MHC by exon shuffling, combining an Ig-like C domain with a peptide binding region.[sup][113] Subsequently, another peptide binding region exon was added to MHC II [sz] chain to form the MHC I heavy chain, which happened at approximately 500 million years ago.

The Implication and Significance of Beta 2 Microglobulin: A Conservative Multifunctional Regulator