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Buffer
Compound that ameliorates a change in pH.
A weak acid/conjugate-base pair that resists pH change when acid or base is added. Bicarbonate, phosphate, and protein buffer systems maintain blood and intracellular pH within narrow physiological ranges.
How one textbook covers it
Advanced Nutrition and Human Metabolism, 8th ed. (Gropper) — Glossary
A weak acid/conjugate-base pair that resists pH change when acid or base is added. Bicarbonate, phosphate, and protein buffer systems maintain blood and intracellular pH within narrow physiological ranges.
Related terms
Alkalosis, Ketoacidosis