The nerve cells of appetite are located in which region of the brain?

The hypothalamus is the correct region of the brain where nerve cells that regulate appetite are located. This small but crucial structure plays a significant role in maintaining homeostasis, which includes regulating various physiological functions such as hunger, thirst, sleep, and temperature control. Within the hypothalamus, specific nuclei respond to hormonal signals related to hunger and satiety, such as ghrelin and leptin, thus influencing appetite and food intake.

The other regions, while important for various functions, do not specifically regulate appetite. The amygdala is involved in emotional processing, including reaction to food stimuli but not direct appetite control. The basal ganglia are primarily associated with movement and coordination, and although they can influence behaviors related to eating through motivation and reward pathways, they do not have a direct role in hunger signaling. The brain stem manages basic life functions such as heart rate and breathing, but it is the hypothalamus that integrates feelings of hunger and fullness, making it the key center for appetite regulation.