Table 1.

Regional rat brain tissue partial pressures of oxygen measured by microelectrode

Brain area% O2
Cortex (gray)2.5–5.3
Cortex (white)0.8–2.1
Hypothalamus1.4–2.1
Hippocampus2.6–3.9
Pons, fornix0.1–0.4
  • Adapted from Silver and Erecinska, 1988.