Question

What is notochord ? Write its function

Answer 1

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The notochord is the defining structure of the chordates, and has essential roles in vertebrate development. It serves as a source of midline signals that pattern surrounding tissues and as a major skeletal element of the developing embryo.


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Answer 2

In anatomy, the notochord is a flexible rod made out of a material similar to cartilage

The notochord is an essential structure for the normal development of chordates. Although much attention has been focussed on its patterning roles, the notochord also has important structural roles. A more complete understanding of the mechanical basis of notochord structure is beginning to emerge from mutational analyses. Given the simplicity of the notochord as an embryonic organ, it is likely to be a useful model of organogenesis, especially for the integration of extracellular matrix formation with cellular differentiation.