Fig. 5. Progressive changes in the extracellular environment of the cold anoxic
turtle (C. picta) based on studies using different durations of cold
anoxic exposure data. (A) [K+]o
(Jackson and Ultsch, 1982),
free [Ca2+]o
(Jackson and Heisler, 1982)
and catecholamine levels (Keiver et al.,
1992) and (B) Plasma lactate and pH
(Ultsch and Jackson,
1982).