Fig. 5. Effects of acute hypoxic exposure to 10%O2 on
a (A) and heart rate (B) at different
incubation ages in embryos incubated in normoxic conditions (group N21). White
bars, control; grey bars, hypoxic response; black bars, post-hypoxic response.
An asterisk indicates a significant difference from control. Values are means
± S.E.M. For N values, see
Table 1.