amphioxus


Also found in: Thesaurus, Medical, Encyclopedia.

am·phi·ox·us

 (ăm′fē-ŏk′səs)
n.

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

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]

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)
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.amphioxus - small translucent lancet-shaped burrowing marine animalamphioxus - small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrates
cephalochordate - fish-like animals having a notochord rather than a true spinal column
genus Amphioxus - type genus of the Amphioxidae
References in periodicals archive ?
They suggested that the amphioxus GDF8/11 could be an ancestral GDF8/GDF11 homologue of vertebrates.
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.
Identification and expression of a novel class of glutathione-S-transferase from amphioxus Branchiostoma belcheri with implications to the origin of vertebrate liver.
2002) and some of the photoreceptor subtypes of amphioxus (Glardon et al.
An international team of researchers analyzed the amphioxus, also known as lancelet - a living fossil, of sorts, that was long considered to be a faceless and brainless fish.
For that, I will generate an extensive epigenetic and topological profiling of the European amphioxus genome, a slow-evolving basal invertebrate chordate.
The three ParaHox genes (Gsx, Xlox, and Cdx) were first described as a gene cluster in the amphioxus Branchiostoma floridae (Hubbs, 1922) by Brooke et al.
Evolution of Neural Crest and Placodes: Amphioxus as a Model for the Ancestral Vertebrate?
Rather than having acquired the muscle independently, amphioxus could be a living record of the transition from muscle-based midline to cartilaginous notochord.
The Evolution of Alternative Splicing in the Pax Family: The View from the Basal Chordate Amphioxus "J Mol Evol.
Identification and characterization of novel amphioxus microRNAs by Solexa sequencing.