gregarine

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Related to Gregarines: Gregarinia, Gregarinasina

greg·a·rine

(greg'ă-rēn),
A member of the subclass Gregarinia.
References in periodicals archive ?
The white masses investigated in the present study do not display any of the gregarine structures (i.e., septum, mucron, subpellicular membranes).
a new neogamus gregarine, parasite of the gonads of Cucumaria frondosa (Gunn.).
Seasonality, prevalence and pathogenicity of the gregarine Ascogregarina taiwanensis (Apicomplexa: Lecudinidae) in mosquitoes from Florida.
These included, for mytilid taxa, the gregarines, ciliates, prokaryotic inclusions, trematode metacercariae, coccidians, copepods, pinnotherid crabs, and other unidentified organisms; for oyster taxa, the gregarines, all ciliates, cestodes, nematodes, prokaryotic inclusions, trematode metacercariae, copepods, xenomas, pinnotherid crabs, and other unidentified organisms; and for dreissenid taxa, nematodes, trematode metacercariae, and other unidentified organisms.
In contrast, the multicellular eukaryotes and the gregarines often showed significant year-to-year changes, but trends of any kind were observed to be much rarer.
edule induced by Nematopsis sp., whereas absence of host reaction by gregarines of the genus Nematopsis in the gut epithelial cells was reported by Winstead et al.
Histological examination showed gregarine protozoan Nematopsis sp.
Gregarine parasites alternate hosts, having the reproductive and vegetative phase in the intestines of xanthid crabs, and sporogony in oysters.
Quantitative scores were used for parasites, pathologies, and selected morphological conditions, including prokaryotic inclusions (rickettsia, chlamydia, etc.), ciliates, gregarines, nematodes, cestodes, and metacercariae of trematodes, that could be tallied individually, following procedures described by Ellis et al.
These included, for mytilid taxa, the gregarines, ciliates, procaryote inclusions, trematode metacercariae, coccidians, copepods, xenomas (cells distended with numerous gill ciliates as described in Otto et al.
The gregarine protozoan Nematopsis was found at all 10 sites (prevalence 24% to 90%) and oysters at some sites had concurrent infections of Nematopsis prytherchi and Nematopsis ostrearum in connective tissue near the stomach, mantle, and gills.