Formation and structure of the periostracum inLymnaea stagnalis


The periostracum ofLymnaea stagnalis consists of three morphologically distinguishable layers. The outer layer is protected against the surrounding medium by a membrane-like lamella. At points where this lamella lies within the periostracal groove, it is covered by a homogeneous substance. Materials for both—the lamella and its covering—are synthesized by… (More)
DOI: 10.1007/BF02061966


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