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A new interstitial ostracod, Semicytherura uzushio sp. nov., is described from the southwest of Japan, and the details of the carapace characters of Semicytherura mukaishimensis Okubo, 1980 are redescribed. Semicytherura uzushio and S. mukaishimensis live interstitially in the intertidal and infralittoral zones, respectively. They have the smallest carapaces among the known Semicytherura specie...

Aquatic invertebrate animals such as Amphipods, Gastropods (pond snails), Ostracods and Daphnia (water flea) were placed in water-filled cylindrical vessels together with water plant (hornwort). The vessels were sealed completely and illuminated with a fluorescent lamp to activate the photosynthesis of the plant for providing oxygen within the vessels. Such ecosystem vessels, specially termed a...

The appositional region between the intermediate element and adjacent cisternae in the triads of the sarcoplasmic reticulum of striated muscle from humans, copepods, ostracods, and barnacles shows a five-layered construction similar to that of a tight junction. Known functions of tight junctions and cisternal elements suggest that a membrane depolarization, conducted by the intermediate element...