Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
In the context of anatomy and physiology, a set point is the optimal value of a physiological parameter that the body aims to maintain through homeostasis. It acts as a reference point for feedback systems to adjust bodily functions accordingly.
A process that counteracts changes in an organism’s internal environment to return to its set point, akin to how a thermostat corrects temperature deviations.