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parachordal Definition

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parachordal
adjective(para-chord-al)
situated at the side of the notochord
parachordal
noun(para-chord-al)
either of a pair of cartilaginous rods that develop on each side of the notochord beneath the posterior part of the embryonic brain and participate in formation of the parachordal plate
parachordal
noun(para-chord-al)
a cartilaginous plate that is formed of the fused parachordals and anterior notochord and gives rise to the ethmoid bone and certain other bones of the vertebrate skull —called also basilar plate

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