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Journal of Experimental Biology 14,35-37 (1937)
Published by Company of Biologists 1937

A Note on the Permeability of Trout Eggs to D2O and H2O

AUGUST KROGH 1 and HANS H. USSING 1

1 Laboratory of Zoophysiology, University of Copenhagen

Eggs fresh from the oviduct of the female trout take up water, but become impermeable in a few hours.

The impermeability lasts for many days, but at the time when the embryo eyes become visible permeability is restored.

Oxygen penetrates into the eggs impermeable to water and salts.

Submitted on May 9, 1936






© The Company of Biologists Ltd 1937