Fig. 5. Hypercapnia in Danio rerio. pH, [HCO3-] and
HCO3- equilibrium potentials (Eeq;
according to the Nernst equation) of fluid compartments of Danio
embryos in response to 10-fold changes in PCO2 from 2.4 to
24.6 mmHg. Indices denote: amb, ambient; int, interstitial; i, intracellular.
Each point represents the mean of 14 (i) or 5 (int) measurements ±
S.D.