Notochord

What is Notochord?

Notochord meaning An axial mesodermal tissue found in embryonic stages of all chordates and protochordates, often regressing as maturity is approached. Typically a rod shaped mass of vacuolated cells. It lies immediately below the nerve cord and may provide mechanical strength to the embryo.

 

reference: national Cancer Institute – Glossary for Registrars

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