lancelet


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lance·let

 (lăns′lĭt)
n.
Any of various small chordate marine organisms of the subphylum Cephalochordata, having a long thin body with a notochord but no cranium or vertebrae, and usually found buried in sand. Also called amphioxus, cephalochordate.

lancelet

(ˈlɑːnslɪt)
n
(Animals) any of several marine animals of the genus Branchiostoma (formerly Amphioxus), esp B. lanceolatus, that are closely related to the vertebrates: subphylum Cephalochordata (cephalochordates). Also called: amphioxus
[C19: referring to the slender shape]

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]

lance·let

(lăns′lĭt)
Any of various small, transparent, fish-like animals that live in water and have a structure similar to that of vertebrates, but with a notochord instead of a true backbone. Lancelets are cephalochordates. Also called amphioxus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.lancelet - small translucent lancet-shaped burrowing marine animallancelet - 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 ?
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.
Presence of phenoloxidase and prophenoloxidase in the epidermal cells and the epidermis mucus of the lancelet Branchiostoma belcheri tsingtauense.
A new species of lancelet, Branchiostoma longirostrum (order Amphioxi), from the western North Atlantic.
Zhu, C, Jin-Nan, W, Guo-Xia, M & Yan-Shen, Z 2013, 'China tackles the health effects of air pollution', The Lancelet, vol.
Such a scenario would also explain why the lancelet amphioxus, a 'primitive' chordate, has a notochord with both cartilage and muscle.
A group of 15 species included flatworms, nemerteans, two sipunculans, oligochaetes, two brachiopods, two echinoderms, hemichordates, a lancelet and a gobiid fish (Vargas 1989).
I have my doubts about how much "puzzling" compositors went in for, since the instability of speech-prefixes in this instance is matched by an even greater instability in another play printed in Quarto in 1600 by James Roberts, not Valentine Simmes, The Merchant of Venice, where Lancelet appears variously as abbreviations of that name and "Clown," and where Shylock occasionally appears as "Iewe.
These early ancestors of man, thus seen in the dim recesses of time, must have been as simply, or even still more simply organized than the lancelet or amphioxus.
They are now convinced the 2in-long Florida lancelet anchovy, which has hardly changed in more than 500million years, is descended from the earliest chordates, the group from which we are all descended.
The lowly lancelet makes a living by burying itself in the sand, sticking out its mouth, and filtering tiny critters from seawater.
Last year, the Lancelet published a study by a team from John Hopkins University and the National Cancer Institute that found a strong correlation between blood PCB levels and the risk of non-Hodgkins lymphoma in the general population of Washington County, Md.
It is regarded as one of the top five general medical journals in the world - the others being the New England Journal of Medicine, Journal of the American Medical Association, The Lancelet and the British Medical Journal.