- 1. n. The central axis or cord in the tail of larval ascidians and of certain adult tunicates. Source: opted
- 2. n. primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva Source: wordnet
- 3. n. a notochord of a larval tunicate typically confined to the caudal region Source: wordnet
- 4. n primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva n a notochord of a larval tunicate typically confined to the caudal region Source: ecdict
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urochord
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larvalanimalbodycaudalconfinedconspicuouslarvamarinenotochordprimitiveregionsacliketunicatetypicallyunsegmentedadultaxiscentralcertaincordtailtunicates