chordate


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Related to chordate: Deuterostome

chordate

any animal of the phylum Chordata, including the vertebrates and protochordates, characterized by a notochord, dorsal tubular nerve cord, and pharyngeal gill slits
References in periodicals archive ?
Piwi positive cells that line the vasculature epithelium, underlie whole body regeneration in a basal chordate.
17) At some point between the origin of chordates and that of jawed vertebrates, an entire genome was duplicated at two different times.
Evaluating hypotheses of deuterostome phylogeny and Chordate Evolution with new LSU and SSU ribosomal DNA data.
Therefore, the Ciona embryo provides an opportunity for analyzing the developmental program for the common chordate body plan in an organism with a smaller number of genes and a compact genome.
Such a scenario would also explain why the lancelet amphioxus, a 'primitive' chordate, has a notochord with both cartilage and muscle.
What does the term chordate mean when applied to animal species?
After positioning of the cursor through interventricular septum and posterior wall, at the level of chordate tendinae, simultaneous M-mode and two dimensional recording were obtained from the parasternal transducer position in both long and short axis views of the left ventricle.
Hemichordates also share many of the same characteristics as chordates - a group of animals that includes humans - with the name hemichordate roughly translating to 'half a chordate.
Evidence for the evolution of tenascin and fibronectin early in the chordate lineage.
It is a member of the chordate family, a group that today includes fish, amphibians, birds, reptiles and mammals.
The extinct Pikaia gracilens has been confirmed as the oldest known member of the chordate family, which includes all modern vertebrates including humans.