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Journal of Experimental Biology 7,260-268 (1930)
Published by Company of Biologists 1930

A Re-Investigation of Metabolic Gradients

C. SHEARER F.R.S.1

1 Anatomy School, Cambridge

1. The oxygen consumption of planarians has been investigated by means of the Haldane manometer with a view to determining the presence of a metabolic gradient.

2. The oxygen uptake was found to vary over a wide range. It is concluded that this is largely conditioned by the degree of movement exhibited by the animals during an experiment.

3. No conclusive evidence for the presence of a metabolic gradient could be obtained.

4. On general physiological grounds reasons have been put forward for doubting the presence of such a gradient.

Submitted on December 23, 1929






© The Company of Biologists Ltd 1930