Table 1.
Blood flow, ml/min | O2 content,
mM
|
O2 uptake, μmol/(s⋅g) | Lactate, mM
|
Lactate flux, μmol/(s⋅g) | |||
---|---|---|---|---|---|---|---|
Arterial | Venous | Arterial | Venous | ||||
Rest | 5.7 ± 0.7 | 2.4 ± 0.5 | 1.9 ± 0.3 | 0.012 ± 0.005 | 2.8 ± 1.2 | 3.0 ± 1.2 | 0.0043 ± 0.0002 |
Rattling | 14.9 ± 0.5* | 2.8 ± 0.1 | 0.6 ± 0.2* | 0.16 ± 0.02* | 4.8 ± 0.8 | 6.8 ± 1.0* | 0.18 ± 0.04* |
Values are means ± SE for 4 snakes (n = 4–10, except for resting O2 contents; n = 2). O2 and lactate fluxes are expressed per gram tailshaker muscle mass.
Denotes significant difference from rest.