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 ?
ceratodes in the northern Chilean coast to spite to collect intertidal ascidians between Iquique and Antofagasta (Stations 129, 131, 133 and 159 sampled during Lund University Chile Expedition 1948-1949).
Ascidia ceratodes (Huntsman, 1912) (Tunicata: Ascidiidae) off the northern Chilean coast: new record
The solitary ascidian test may vary morphologically within as well as between species, and it is frequently necessary to dissect to identify definitively (Kott 1997), even when specimens have been observed in situ, in characteristic habitat.
Three Antarctic ascidians from Four Ladies Bank: Cnemidocarpa pfefferi (Michaelsen, 1898), Pyura discoveryi (Herdman, 1910) and Bathypera splendens Michaelsen, 1904
Regulation of synaptotagmin gene expression during ascidian embryogenesis.
Getting a Head with Ptychodera flava Larval Regeneration
The zoanthid, sponges and ascidian samples (5.0 g) were fragmented and macerated with the steril porcelain pestle and mortar with the addition of 2 mL of filtered seawater.
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
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
Dmitrenok et al., "Varacin and three new marine antimicrobial polysulfides from the far-Eastern ascidian Polycitor sp," Journal of Natural Products, vol.
Purification and characterization of bioactive compounds from Styela clava
Didemnaketals A and B were isolated from the ascidian Didemnum sp.
Marine invertebrate natural products for anti-inflammatory and chronic diseases
Even longer sperm longevities of more than 24 h were reported in the ascidians Ascidia mentula [30].
Gametogenesis, embryogenesis, and fertilization ecology of Platygyra acuta in marginal nonreefal coral communities in Hong Kong
strain of Prochloron symbiotic with the tropical marine ascidian
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
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