ascidian


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ascidian

any PROTOCHORDATE of the class Ascidiacea (subphyllum Tunicata), such as the sea squirt, the adults of which are degenerate and sedentary. See also APPENDICULARIA.
References in periodicals archive ?
The cyanobacteria were obtained from seawater (5 strains), brackish water (5 strains) and the reef organisms: sea sponges (Cinachyrella 2 strains; Haliclona--1 strain), zoanthid P variabilis (1 strain), ascidian (2 strains) and coral S.
Similar to most other chordates, ascidian hemocytes are continually renewed to compensate for cell death and external sources of loss (Ermak, 1982).
Increasing accumulation of biofouling organisms such as ascidians within aquaculture sites is a growing problem (Adams et al.
However, it may be hard to determine whether the "true" default fate of the ascidian ectoderm is different from that of the Xenopus embryo.
7% dw of protein in the solitary ascidian Microcosmus exasperatus, a value similar to our estimate of total protein in P.
from its ascidian host, estimations of its growth rate have necessarily
Most ascidian species require a hard substrate for attachment.
associated with a newly described ascidian from the Pacific coast of Costa Rica (Decapoda, Natantia, Pontoniinae).
Limited dispersal and proximity-dependent mating success in the colonial ascidian Botryllus schlosseri.
Female control of paternity in the internally fertilizing compound ascidian Diplosoma listerianum.
1979, McClintock and Vernon 1990), ascidian larvae (Young and Bingham 1987, Lindquist et al.