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Science 31 August 1973:
Vol. 181. no. 4102, pp. 868 - 869
DOI: 10.1126/science.181.4102.868
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Articles

Membrane-Associated Particles: Increase at Sites of Pinocytosis Demonstrated by Freeze-Etching

L. Orci 1 and A. Perrelet 1

1 Institute of Histology, School of Medicine, University of Geneva, Geneva 4, Switzerland

An increased number of membrane-associated particles has been demonstrated by freeze-etching in areas of pinocytosis in the intestinal smooth muscle cell. A peculiar distribution of the particles is described, which might be closely related to the formation of pinocytotic vesicles (caveolae).


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