Morphogenesis and metabolism: studies with the Cartesian diver ultramicro-manometer V. Aerobic glycolysis measurements on the regions of the amphibian gastrula

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Abstract
The Cartesian diver manometer was adapted for the measurement of aerobic glycolysis by the two-cup method. Aerobic glycolysis was exceedingly small or absent in both dorsal lip region and ventral ectoderm of Rana gastrulae. Hence the 2 regions did not differ as regards the efficiency of the Pasteur effect. The absence of any difference in respiratory rate between these two regions, previously observed in gastrulae of Discoglossus and Amblystoma, was confirmed for Rana. That there was a difference in R. Q. between the 2 regions during gastrulation, previously observed on Amblystoma, was verified on Rana.