noun🔗ShareA flexible rodlike structure that forms the main support of the body in the lowest chordates; a primitive spine"Even though humans develop a vertebral column, in the early stages of embryonic development, we possess a notochord, a flexible rod that provides support. "anatomybiologyorganismanimalbodypartstructureChat with AIVocabulary GamePractice Reading
noun🔗ShareA similar structure found in the embryos of vertebrates from which the spine develops"During development, the embryo of a fish has a notochord, which is eventually replaced by a spine. "anatomybiologyorganismbodypartstructuresciencephysiologyChat with AIVocabulary GamePractice Reading