Trophosome in the Vestimentiferan Tubeworm Ridgeia piscesae Jones 1985 (Annelida, Siboglinidae) Develops from Cells of the Coelomic Liningстатья
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Дата последнего поиска статьи во внешних источниках: 11 ноября 2019 г.
Аннотация:The paper reports the study of the anatomy of early juvenile individuals of the vestimentiferantubeworm Ridgeia piscesae (Annelida, Siboglinidae). Adult vestimentiferans lack the digestive tract but have thetrophosome, whose cells are inhabited by chemoautotrophic bacteria. It has been shown, in 280- to 300-µmearly juvenile individuals, that the trophosome develops from cells of the coelomic lining on the gut surface andon the lateral body walls. The observed proto-trophosome structure suggests that the bacteria are first capturedby the coelomic cells of the body wall and then transferred to the coelomic cells located on the gut surface.