An electron microscope study of the formation of the periostracum in the freshwater bivalve, Anodonta cygnea

Publication date: 1976

Seller: ConchBooks, Harxheim, GermanyConchBooks

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Item description from seller

The periostracum and cells lining the periostracal groove of Anodonta cygnea L. have been studied at the electron microscope level. The cells lining the inner face of the outer fold differ in fine structural details, five cell types being recognized. Along the length of the outer surface of the middle fold, to which the periostracum is closely applied, only two cell types are evident. At the base of the periostracal groove the two epithelia are separated by a bulbous region containing a group of basal cells which initiate the periostracum. The periostracum, which is homogenously electron-lucid, originates in the intercellular space between a basal cell and the first cell of the middle fold. It increases in thickness in the periostracal groove due to the secretory activity of the different outer fold cells. The cells of the middle fold do not appear to be involved in periostracum formation. 22 pp., 11 figs, gr. 8.

Bibliographic details

Title
An electron microscope study of the formation of the periostracum in the freshwater bivalve, Anodonta cygnea
Author
Bubel, A.
Publication year
1976

ConchBooks

Harxheim, Germany

3-star seller

AbeBooks seller since March 1, 2007

Shipping rates from Germany to U.S.A.

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Store description

Founded in 1985 we are specialized in worldwide literature on Mollusca and marine invertebrates. Our publishing house has meanwhile published approximately 60 titles on that field of interest. We have stocks of most available international books on Malacology and a huge amount of antiquarian literature, even of the latter most titles are only available once.

Specialty

Weichtiere / Shells, Schnecken / Snails & Slugs, Muscheln / Bivalves, Tintenfische / Squids / Octopusses / Ammonites, Malacology, Conchology, Marine Biology

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ConchBooks

Germany