Buffer

Definition

A buffer is a substance that minimizes changes in the pH of a solution by neutralizing small amounts of added acid or base. It helps maintain a relatively stable pH level in biological systems, crucial for various biochemical processes.

Related terms

pH:

A measure of the acidity or alkalinity of a solution, typically on a scale from 0 to 14, where 7 is neutral.

Acidosis:

A condition occurring when body fluids have excess acidic content, often indicated by a blood pH less than 7.35.

Alkalosis:

A condition characterized by body fluids having too much base (alkali), often indicated by a blood pH greater than 7.45