Critical oxygen pressure

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Critical oxygen pressure

Description

The critical oxygen pressure, p_c, is defined as the partial oxygen pressure, p_O2, below which aerobic catabolism (respiration or oxygen consumption) declines significantly. If anaerobic catabolism is activated simultaneously to compensate for lower aerobic ATP generation, then the limiting oxygen pressure, p_l, is equal to the p_c. In many cases, however, the p_l is substantially lower than the p_c.

Abbreviation: p_c

Reference: Gnaiger 1991 Soc Exp Biol Seminar Series

Communicated by Gnaiger E 2013-03-05, edited 2013-09-14.

Aerobic and anaerobic from normoxia to anoxia: oxygen availability and metabolic state

» More details: Aerobic

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