ascidian


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  • noun

Words related to ascidian

minute sedentary marine invertebrate having a saclike body with siphons through which water enters and leaves

References in periodicals archive ?
Although there have been a number of studies investigating the morphotypes of ascidian hemocytes (Endean, 1960; Freeman, 1964; Wright and Ermak, 1982; de Leo, 1992; Hirose et al.
In the ascidian Halocynthia roretzi, Not mRNA starts to be expressed in the vegetal cells at the 16 cell stage, and it is asymmetrically distributed to the presumptive notochord/nerve cord cells.
observation of the growth and spread of the ascidian Diplosoma virens on
A diverse assemblage of ascidian species is present in considerable abundance along the southern Texas coastline.
realized larval dispersal: fish predation on larvae of the ascidian Lissoclinium patella (Gottschaldt).
Third, in sessile organisms, such as ascidians and plants, there can be no behavioral choice of male gametes; therefore, sperm choice and the postfertilization process of differential abortion may be especially important (Wirtz 1997) and may explain the more obvious nature of these forms of female choice in these taxa (Table 1).
The palatability of larvae from the ascidian Eudistoma carolinensis was not determined because Lagodon apparently did not see, and thus did not attack, these nearly transparent larvae.
2012; for examples of nitric oxide stimulation of metamorphosis in an ascidian and an abalone.
Lower biomass of Ophiacantha vivipara (Ljungman, 1870) (ophiuroid) and Porifera, as well as the scarcity of the ascidian Paramolgula gregaria were detected in zones CFE (Fig.
The length of each bivalve was used in a Pearson correlation with the length of its ascidian host to test if larger bivalves would be found in larger ascidians.
129) From a series of studies using the ascidian Ciona intestinalis, it is known that sperm changes motility in response to the gradient of chemoattractants called SAAF.