Hunger

Definition

Hunger is the physiological sensation triggered by the need for food. It is typically accompanied by physical symptoms such as stomach contractions and a desire to eat.

Related terms

Ghrelin:

Ghrelin is a hormone produced in the stomach that stimulates appetite and plays a role in regulating food intake.

Hypothalamus:

The hypothalamus is a small region of the brain involved in various physiological processes including hunger and satiety regulation.

Leptin:

Leptin is a hormone released by fat cells that helps regulate energy balance by suppressing appetite and promoting feelings of fullness.