chordate


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Related to chordate: Deuterostome
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Identification of the endostyle as a stem cell niche in a colonial chordate.
2008) The amphioxus genome and the evolution of the chordate karyotype.
Humans are part of a group of animals called chordates, whose defining feature is a rod of cartilage that runs lengthwise along the middle of their body, under their spinal chord.
It clearly identifies the planet's most primitive chordate.
At some point in their development from embryo to adult, all chordates have a "notocord", a flexible rod supporting a nerve cord running down the back.
Although the tumor generally arises from the valvular endocardium of the mitral or aortic valve, there have been limited numbers of reports on isolated CPF of the mitral valve chordate.
Molecular structures and the aligned amino acid sequences of different lectins isolated from various crustaceans, chordate, mollusca, and marine algae are quite different.
Amphioxus mitochondrial DNA, chordate phylogeny, and the limits of Inference based on comparisons of sequences.
Tables in the appendix list the DNA content of chordate cell nuclei, the RNA and DNA content of vertebrate cell nuclei, and other quantitative data.
The Evolution of Alternative Splicing in the Pax Family: The View from the Basal Chordate Amphioxus " J Mol Evol.
Perhaps many genes accumulated for other sensory functions, as noted in the sea urchin, and then when the first shallow water chordate evolved, these genes were re-wired as photoreceptors and, using the ancient eye-organizing gene, evolved into a camera-type eye.
4 billion years ago, multicellular animals about 800 million and 700 million 0years ago and finally the Cambrian explosion of biodiversity of modern life forms including the first known chordate about 500 million years ago.
For example, the natural pigmentation of Styela embryos enabled classic studies of chordate development (Conklin 1905; Gehring 2004).
A total of nine morphological traits including (i) leaf width in centimeters of three center trifoliolate leaves; (ii) leaf length in centimeters of three center trifoliolate leaves; (iii) leaf shape, recorded as chordate, ovate, rhombohedric, or hastate following the classification developed by Singh et al.
We are induced to consider Chordate and its siblings as types and Work_Animal and its siblings as roles.