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Notochord


The notochord is a flexible, rod-shaped body found in embryos of all chordates. It is composed of cells derived from the mesoderm and defines the primitive axis of the embryo. In some vertebrates and chordates, it persists throughout life as the main axial support of...
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notochord ( ) n. A flexible rodlike structure that forms the main support of the body in the lowest chordates, such as the lancelet; a primitive
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Chordata ( kör′dädə ) ( zoology ) The highest phylum in the animal kingdom, characterized by a notochord, nerve cord, and gill slits; includes the
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Among vertebrates, while the notochord is retained by the adults of the lower ... The very first vertebrates, such as Haikouicthys, had only a notochord. ...
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Brief and Straightforward Guide: What is a Notochord? ... A notochord is the defining characteristic of members of the phylum Chordata, a ...
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Definition of notochord from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.
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Notochord summary with 2 pages of encyclopedia entries, essays, summaries, research information, and more. ... The notochord is a cylindrical column of cells ...
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As the notochord closes as a tube, it detaches from the endoderm of the yolk sac ... Fate of notochord: It will eventually break up into section of weight-bearing ...
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Notochord ... The notochord is a midline column of cells running in a rostrocaudal direction ... (c) Notochordal plate folds to form notochord. ...
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10. Notochord ... The notochord is a midline column of cells running in a rostrocaudal direction ... (c) Notochordal plate folds to form notochord. ...
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Gray, Henry. 1918. Anatomy of the Human Body. I. Embryology. 7. The Notochord ... a solid rod of cells—the notochord—which is then separated from the entoderm. ...
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Download Notochord Recordings IDM / Ambient / Down-tempo music singles, watch ... Notochord, the record label, has been created to expand on this concept and ...
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The notochord is found on the ventral ... The very first vertebrates, such as Haikouicthys, had only a notochord. ... It is the remnant of the notochord. ...
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Early signals from the notochord to the endoderm permit dorsal pancreatic ... Grafting experiments demonstrate that notochord can repress endodermal Shh. ...
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Interestingly, while notochord abnormalities are not observed following partial ... The notochord is a useful structure for examining the complex interplay of genes ...
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Encyclopedia article about notochord. Information about notochord in the Columbia Encyclopedia, Computer Desktop Encyclopedia, computing dictionary.
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Zoology information, history, articles and research from Academic Journals, Newspapers, and magazines at HighBeam.com. Free Trial, Credit Card Required.
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Get information, facts, and pictures about notochord at Encyclopedia.com. ... Z. notochord. Home > ... notochord , in biology, supporting rod running most of ...
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Notochord ... notochord ... Notochord - Wikipedia, the free encyclopedia ...
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Notochord. • Skeletal structure in ALL chordate embryos ... No trace of notochord, nerve cord or tail (but there are pharyngeal slits) ...
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