Cortisol

Definition

Cortisol is a steroid hormone produced by the adrenal cortex in the adrenal glands, which plays a critical role in the body's response to stress by regulating metabolism, immune responses, and assisting with maintaining blood sugar levels. It also helps in controlling the sleep/wake cycle.

Related terms

Adrenal glands: These are endocrine glands located above the kidneys that produce various hormones including adrenaline and cortisol.

Glucose: A simple sugar that serves as a primary source of energy for cells in the body.

Immune response: The body's defensive reaction to foreign substances or pathogens, involving various cells and mechanisms to protect against disease