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(Zoology) the notochord of a larval tunicate, typically confined to the tail region
(Animals) Also: urochordate another word for tunicate
[C19: from uro-2 + chord, a variant of cord]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a notochord that is chiefly confined to the tail region, present in the larval stage of tunicates.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||urochord - primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva|
chordate - any animal of the phylum Chordata having a notochord or spinal column
subphylum Tunicata, subphylum Urochorda, subphylum Urochordata, Tunicata, Urochorda, Urochordata - tunicates
ascidian - minute sedentary marine invertebrate having a saclike body with siphons through which water enters and leaves
doliolum - free-swimming oceanic tunicate with a barrel-shaped transparent body
larvacean - any member of the class Larvacea
appendicularia - free-swimming tadpole-shaped pelagic tunicate resembling larvae of other tunicates
|2.||urochord - a notochord of a larval tunicate typically confined to the caudal region|
notochord - a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates
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