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Science 21 February 1969:
Vol. 163. no. 3869, pp. 817 - 818
DOI: 10.1126/science.163.3869.817
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Articles

Critical Point Drying for Scanning Electron Microscopic Sthdy of Ciliary Motion

G. A. Horridge 1 and S. L. Tamm 1

1 Gatty Marine Laboratory and Department of Natlural History, University of St. Andrews, St. Andrews, Scotland

Scanning electron microscopic study of tile pattern of ciliary coordination and the form of the ciliary beat is now possible. Rapid fixation stops tile ciliary activity instantaneously, and critical point drying avoids distortion of the cilia by surface tension forces. Such stuidies have been made on the ciliate Opalina with this new technique.


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