Homeostasis and Imbalance

Homeostasis noun - (physiology) metabolic equilibrium actively maintained by several complex biological mechanisms that operate via the autonomic nervous system to offset disrupting changes.

Imbalance is an antonym for homeostasis in tendency to maintain internal stability topic.

Imbalance noun - A lack of balance or state of disequilibrium.

Homeostasis is an antonym for imbalance.