Journal of National Fisheries University

PISSN : 0370-9361

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Journal of National Fisheries University Volume 57 Issue 4
published_at 2009-03

Structure of Duct and Tubule of Digestive Diverticula in the Snail, Semisulcospira libertina (Gastropoda : Mesogastropoda)

力ワニナの中腸腺の導管と中腸腺細管の構造
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Descriptions
The structure of the duct and the tubules of the digestive diverticula in the snail, Semisulcospira libertina, was examined with histological sections. The tubules branched off dichotomously from several sites of the tubule system, after extended from the junction of both the tip and side wall of the duct. From the results of this experiment, the tubule pattern of the snail indicated the dichotomous branching type, and the duct was supposed to be undifferentiated to the main duct with the secondary duct.
Creator Keywords
Mesogastropoda
Semisulcospira libertina
Digestive diverticula
Duct
Tubule