Question

what is notochord ? mention its function
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Answer 1

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$\huge\text{\underline{Notochord:}}$

⚫Notochord is a long flexible rod like structure present in all chordates.


$\sf{\underline{Function:}}$


⚫To support the body.

⚫As the embryo grows it becomes a part of the true backbone or vertebral column.

⚫It is involved in the development of nervous system.


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Answer 2

A notochord is a primitive beginning to the backbone. It appears in embryos as a small flexible rod made from cells from the mesoderm, which is one of the three layers of cells of embryos. Notochords are only found in the phylum chordata, a group of animals that includes humans.

functions

Notochord, flexible rodlike structure of mesodermal cells that is the principal longitudinal structural element of chordates and of the early embryo of vertebrates, in both of which it plays an organizational role in nervous system development. In later vertebrate development, it becomes part of the vertebral column.