notochord
noun/ˈnoʊtəˌkɔrd/
Frequency rank: #19,860 most common English word
Meaning
A flexible, rod-like structure that provides support in the embryos of all chordates, later replaced by the vertebral column in vertebrates.
Example sentence
During embryonic development, the notochord forms the structural foundation that later guides the formation of the vertebral column.
Synonyms & related words
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