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notochord

DEFINITIONS OF: notochord

1

n 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

Types:
urochord
a notochord of a larval tunicate typically confined to the caudal region
Type of:
back, backbone, rachis, spinal column, spine, vertebral column
the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
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