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users.rcn.com/jkimball.ma.ultranet/BiologyPages/V/Verte...
users.rcn.com/jkimball.ma.ultranet/BiologyPages/V/Vertebrates.html
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Although one group, the hagfishes, never replaces their notochord with a vertebral column, and thus might seem not to qualify as vertebrates, they share a ...
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marinelife.about.com/od/glossary/g/Notochord.htm
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In some chordates, the notochord is present as a rod of cells that lies beneath and parallel the nerve cord, giving it support. In vertebrates, the notochord is ...
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www.newworldencyclopedia.org/entry/Notochord
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Nov 21, 2008 ... Among vertebrates, while the notochord is retained by the adults of the lower vertebrates of class Agnatha (hagfish and lampreys), in higher ...
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www.diffen.com/difference/Invertebrate_vs_Vertebrate
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Nov 8, 2010 ... The traits that make all of the animals in the vertebrates section special are their spinal cords, vertebrae, and notochords. Vertebrates are ...
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dictionary.reference.com/browse/notochord
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In vertebrates, the notochord develops into a true backbone in the embryonic phase. Primitive chordates, such as lancelets and tunicates, retain a notochord ...
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icb.oxfordjournals.org/content/40/1/19.full
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The vertebrate body is a cylindrical set of pliant collagenous membranes. Axial notochords and backbones occur where membranes intersect. The basis for all ...
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genesdev.cshlp.org/content/13/13/1643.full
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In vertebrates the notochord functions as a skeletal element during early embryogenesis and as a source of signals that pattern the neural tube and paraxial ...
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www.lexic.us/definition-of/notochord
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Definition of Notochord. 1. Noun. A flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in ...
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www2.fiu.edu/~longoria/gly1101/mammals.pdf
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In vertebrates, the dorsal nerve cord differentiates into the brain and spinal cord. 2. A flexible rod, the notochord, forms on the dorsal side of the primitive gut in ...
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