- the notochord of an ascidian or tunicate, more conspicuous in the larva than in the adult and confined chiefly to the caudal region.
Origin of urochord
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the notochord of a larval tunicate, typically confined to the tail region
- Also: urochordate (ˌjʊərəʊˈkɔːdeɪt) Another word for tunicate
C19: from uro- ² + chord, a variant of cord