Notochord Definition
nōtə-kôrd
noun
An elongated, rod-shaped structure composed of cells, forming the primitive supporting axis of the body in the lowest chordates and lying between the digestive tract and the central nervous system.
Webster's New World
A similar structure in the embryonic stages of higher vertebrates, which later is surrounded and replaced by the vertebral column.
Webster's New World
Other Word Forms of Notochord
Noun
Singular:
notochord
Plural:
notochordsOrigin of Notochord
Greek nōton back chord
From American Heritage Dictionary of the English Language, 5th Edition
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