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Ultrastructure and mineral composition of serpulid tubes (Polychaeta, Annelida)
TLDR
There is no correlation between tube mineralogy, and ultrastructure, and marine, brackish, and freshwater environments, and it is found that 47% of the serpulid species studied possess a unique combination of tube structure characters.
Structure and growth rates of bivalve shells as indicators of environmental changes and pollution
Studies of structure, growth rates and elemental distribution in shells of freshwater bivalves give information about environmental changes in the last 100-200 years: this covers the main period of
Ultrastructural Characteristics of the Nacre in Some Gastropods
TLDR
The nacreous layer in Gibbula, Calliostoma, Trochus and Haliotis is described on the basis of scanning electron microscopic studies and the mechanical properties of the nacre, and the effects of the interlamellar conchiolin membranes upon the nucleation of the tablets are discussed.
ON THE TUBE ULTRASTRUCTURE AND ORIGIN OF CALCIFICATION IN SABELLIDS (ANNELIDA, POLYCHAETA)
Abstract:  Tube ultrastructure of Jurassic and Cretaceous Glomerula is very similar to that of Recent Calcisabella, supporting the synonymy of these genera and the early Mesozoic origin of
Development of the Embryonic Shell of Nautilus
The organization of this chapter follows the development of the shell of Nautilus from the formation of the cicatrix through hatching. The description of the cicatrix is based mainly on study of one
The nacreous layer in Mytilus, Nucula, and Unio (Bivalvia). Crystalline composition and nucleation of nacreous tablets.
  • H. Mutvei
  • Materials Science
    Calcified tissue research
  • 1 December 1977
Etching with the glutaraldehyde-acetic acid solution reveals that the nacreous tablets in Mytilus, Nucula, and Unio are composed of four crystal individuals which occur in two structurally different
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