oxyhaemoglobin dissociation curve

Also found in: Acronyms.

ox·y·he·mo·glo·bin dis·so·ci·a·tion curve

(ok'sē-hē'mŏ-glōb'in di-sō'sē-ā'shŭn kŭrv)
A graphic illustration of the relationship between oxygen saturation of hemoglobin and the partial pressure of arterial oxygen (PaO2); the position and overall shape of this sigmoidal curve are affected by the hydrogen ion concentration (pH), body temperature, partial pressure of carbon dioxide (PCO2), and organic phosphates.
Synonym(s): oxyhaemoglobin dissociation curve, oxyhaemoglobin dissociation curve.
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