Cytochemical Localisations and Ultrastructure in the Fertilized Unsegmented Egg of Paracentrotus lividus

Pasteels , J. J.; Castiaux , P.; Vandermeerssche , G.

doi:10.1083/jcb.4.5.575

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Article| September 25 1958

Cytochemical Localisations and Ultrastructure in the Fertilized Unsegmented Egg of Paracentrotus lividus

J. J. Pasteels,

J. J. Pasteels

From the Laboratory of Embryology, Faculty of Medicine of the University of Brussels, and the Electron Microscopy Center, Biology Department, Brussels

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P. Castiaux,

P. Castiaux

From the Laboratory of Embryology, Faculty of Medicine of the University of Brussels, and the Electron Microscopy Center, Biology Department, Brussels

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G. Vandermeerssche

From the Laboratory of Embryology, Faculty of Medicine of the University of Brussels, and the Electron Microscopy Center, Biology Department, Brussels

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Author and Article Information

J. J. Pasteels

From the Laboratory of Embryology, Faculty of Medicine of the University of Brussels, and the Electron Microscopy Center, Biology Department, Brussels

P. Castiaux

From the Laboratory of Embryology, Faculty of Medicine of the University of Brussels, and the Electron Microscopy Center, Biology Department, Brussels

G. Vandermeerssche

From the Laboratory of Embryology, Faculty of Medicine of the University of Brussels, and the Electron Microscopy Center, Biology Department, Brussels

Received: April 03 1958

Copyright, 1958, by The Rockefeller Institute

1958

J Biophys and Biochem Cytol (1958) 4 (5): 575–578.

https://doi.org/10.1083/jcb.4.5.575

Fertilized, but still unsegmented, eggs of the sea urchin Paracentrotus lividus have been centrifugated at 30,000 gravity. A comparison has been made between the cytochemical reactions of the different layers (RNA, polysaccharides, acid phosphatase) and the fine structure as shown in thin sections studied with the electron microscope.

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Copyright, 1958, by The Rockefeller Institute

1958

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