urochord

Từ điển Oxford Learners Wordfinder Dictionary

noun

1. primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva
• Syn:
tunicate, urochordate
• Hypernyms:
chordate
• Hyponyms:
ascidian, salp, salpa, doliolum, larvacean, appendicularia
• Member Holonyms:
Urochordata, subphylum Urochordata, Urochorda, subphylum Urochorda, Tunicata, subphylum Tunicata
2. a notochord of a larval tunicate typically confined to the caudal region
• Hypernyms:
notochord