ascidian

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Related to ascidian: Urochordata, tunicate, ascidian tadpole, amphioxus, bryozoan

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.

Produccion de microcistina y actividad antibacteriana de cepas cianobacterianas de Synechocystis, Synechococcus y Romeria aisladas de agua y organismos de arrecifes de coral del litoral brasileno

Similar to most other chordates, ascidian hemocytes are continually renewed to compensate for cell death and external sources of loss (Ermak, 1982).

Hematological Analysis of the Ascidian Botrylloides leachii (Savigny, 1816) During Whole-Body Regeneration

Increasing accumulation of biofouling organisms such as ascidians within aquaculture sites is a growing problem (Adams et al.

Survey of potential reservoir species for the oyster parasite multinucleate sphere X (Haplosporidium Nelsoni) in and around oyster farms in the Damariscotta River Estuary, Maine

However, it may be hard to determine whether the "true" default fate of the ascidian ectoderm is different from that of the Xenopus embryo.

Gene regulatory systems that control gene expression in the Ciona embryo

7% dw of protein in the solitary ascidian Microcosmus exasperatus, a value similar to our estimate of total protein in P.

Composicion proximal de invertebrados marinos de aguas costeras tropicales, con enfasis en la relacion entre los contenidos de nitrogeno y proteina

ISHII (1985): <<Trypsin inhibitor in the hemolymph of a solitary ascidian, Halocynthia roretzi.

Proteic serine-proteases inhibitor isolated from marine invertebrates/Inhibidores de serino proteasas de naturaleza proteica aislados de invertebrados marinos

from its ascidian host, estimations of its growth rate have necessarily

Chlorophyll b-containing oxygenic photosynthetic prokaryotes: oxychlorobacteria (prochlorophytes)

Most ascidian species require a hard substrate for attachment.

Ascidians of South Padre Island, Texas, with a key to species

associated with a newly described ascidian from the Pacific coast of Costa Rica (Decapoda, Natantia, Pontoniinae).

Range Extensions, Taxonomic Notes and Zoogeography of Symbiotic Caridean Shrimp of the Tropical Eastern Pacific (Crustacea: Decapoda: Caridea)

Limited dispersal and proximity-dependent mating success in the colonial ascidian Botryllus schlosseri.

Species diversity in subtidal landscapes: maintenance by physical processes and larval recruitment

Female control of paternity in the internally fertilizing compound ascidian Diplosoma listerianum.

Cryptic female choice: criteria for establishing female sperm choice

1979, McClintock and Vernon 1990), ascidian larvae (Young and Bingham 1987, Lindquist et al.