acid-base equilibrium
Definition
Noun: 1. A state of physiological balance: "Acid-base equilibrium" refers to the stable, normal state in which the concentrations of acids and bases (alkalis) in the body's fluids are kept within a narrow, healthy range. This balance is crucial for normal cellular function and metabolism.
Usage
The term "acid-base equilibrium" is a technical, scientific term used primarily in physiology, medicine, and biochemistry. It describes a dynamic, regulated state, not a static condition. - It is often discussed in the context of homeostasis and bodily health. - The phrase "maintain acid-base equilibrium" is common.
Examples
- The kidneys and lungs work together to maintain acid-base equilibrium.
- A serious illness can disrupt the body's acid-base equilibrium.
- The doctor ordered tests to assess the patient's acid-base equilibrium.
Advanced Usage
- Clinical Context: In medicine, the state of acid-base equilibrium is typically assessed by measuring the pH of arterial blood. Deviations are termed acidosis (excess acid) or alkalosis (excess base).
- Buffer Systems: The equilibrium is maintained by biological buffer systems, such as the bicarbonate buffer system.
Variants and Related Words
- Acid-base balance: A more common synonym used interchangeably with "acid-base equilibrium."
- Acidosis: A pathological state where the acid-base equilibrium is disrupted, leading to excessive acidity.
- Alkalosis: A pathological state where the acid-base equilibrium is disrupted, leading to excessive alkalinity.
- pH homeostasis: A related broader concept referring to the regulation of hydrogen ion concentration.
Synonyms
- Acid-base balance
- Acid-base status
- pH balance (in a physiological context)
Related Phrases
- Disturb the acid-base equilibrium: To cause an imbalance.
- Restore acid-base equilibrium: To return the balance to normal, often through medical intervention.
Noun
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(physiology) the normal equilibrium between acids and alkalis in the body
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with a normal acid-base balance in the body the blood is slightly alkaline
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