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Quarterly Journal of Experimental Physiology and Cognate Medical Sciences 48.4 pp 324-327
© The Physiological Society 1963
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ENDOTHELIAL "CEMENT" IN THE FROG

W. E. Stehbens 1

1 Department of Experimental Pathology, John Curtin School of Medical Research, Australian National University, Canberra, A.C.T., Australia

The behaviour of a suspension of carbon particles injected intravenously was observed in inflamed and non-inflamed blood vessels of the web of the frog (Hyla coeligrulea). Carbon deposits occurred in a discontinuous network roughly outlining endothelial cells in some inflamed vessels. The distribution was similar to stomata and stigmata demonstrated by silver nitrate. Intercellular cement was not observed despite increased capillary permeability and the only circulating translucent material to which carbon adhered, appeared to be cellular constituents of the blood. The experiments failed to support the contention that a sticky intercellular "cement" substance exists.

Note:

My thanks are due to Miss A. Mikolojezk for technical assistance.

This work was supported by a grant from the National Heart Foundation of Australia.

Submitted on March 25, 1963






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Copyright © 1963 by the The Physiological Society.