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Notochord


An Xray fish with its translucent body that makes the notochord visible.
An X-ray fish with its translucent body
that makes the notochord visible.


A Notochord is a reinforcing rod of cartilage that runs the length of the body.


It is a distinctive feature of chordates, although is some species it is only present in early life.


In vertebrates the notochord becomes incorporated into the backbone as the embryo develops.


Also see:
Chordate

 


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