sea squirt


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Related to sea squirt: Urochordata, Lake Baikal, amphioxus

sea squirt:

see tunicatetunicate
, marine animal of the phylum Chordata, which also includes the vertebrates. The adult form of most tunicates (also called urochordates) shows no resemblance to vertebrate animals, but such a resemblance is evident in the larva.
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sea squirt

[′sē ‚skwərt]
(invertebrate zoology)
A sessile, marine tunicate of the class Ascidiacea; it squirts water from two openings in the unattached end when touched or disturbed.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In other words, the ways in which we frequently act resemble our sea squirt relatives in a variety of familiar forms.
The protein (sea squirt DM-3), derived from eight exons, was related to M6B protein in its N-terminal half (residues 9-195 of 441 amino acids).
ET-743 extracted from sea squirts can be used as an alternative chemotherapy to help where traditional therapies have limited impact.
This included hadal snailfish, and an extraordinary stalked ascidean, known as a sea squirt, which lives attached to the sea floor, which is unlike anything ever seen before.
The exercise - in which a number of organisms were logged which had previously not been seen so far North, such as the rare stalked jellyfish and an invasive species of sea squirt - finished at the end of 2013.
And then there's the sea squirt, that poster child for what's called retrogressive metamorphosis.
She pointed to successful clearance of an invasive creature at Anglesey known as the carpet sea squirt from a harbour which was smothering native marine life.
Mussel fisherman James Wilson said: "The consequences of the sea squirt reaching the Strait would be disastrous.
The study also investigated the impact of five species, the Asian long-horned beetle, carpet sea squirt, water primrose, grey squirrel and coypu, an aquatic rodent.
In April, more than 100 marine biologists, coastal resource managers, and shellfish industry representatives from nine countries gathered for a conference at Woods Hole Oceanographic Institution to trade strategies to keep sea squirt populations in check.
While there is a highly annotated and complete database from the sea squirt, Ciona intestinalis, <www.jgi.doe.gov/ciona>, there are very limited genomic and est sequences from species more closely related to myelination: amphioxus, lamprey, and hagfish.
Another example is ecteinascidin 743, which has been extracted from the Caribbean sea squirt Ecteinascidia turbinata.