. . . . "notochord"@en-us . "100990967"@en-us . "0"^^ . . "101466472"^^ . . . "01466472-n"^^ . . . . "0"^^ . . "a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates"@en-us . . . "notochord"^^ . "101389639"@en-us .