the notochord of an ascidian or tunicate, more conspicuous in the larva than in the adult and confined chiefly to the caudal region.
- u·ro·chor·dal, adjective
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British Dictionary definitions for urochord
the notochord of a larval tunicate, typically confined to the tail region
Also: urochordate (ˌjʊərəʊˈkɔːdeɪt) Another word for tunicate
- urochordal, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012