AP PSYCH- Appetite Hormones- Ch 38
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10 Terms
Orexin
Increases appetite, produced by hypothalamus
Ghrelin
“I’m hungry” signals to brain, produced in stomach
Insulin
Decreases appetite, controls blood glucose
Leptin
Jumpstarts metabolism and decreases hunger, secreted by fat cells
PYY (Peptide Tyrosine Tyrosine)
“I’m not hungry” message to brain, in digestive track
Lateral Hypothalamus
Stimulation of this structure stimulates hunger
Ventromedial Hypothalamus
Stimulation of this structure inhibits hunger
Hypothalamus
Performs various body maintenance functions, including hunger; monitors hunger levels
Arcuate Nucleus
Small structure at base of hypothalamus; regulation of appetite and body weight
Glucose
Form of sugar; circulates in blood and provides as a major energy source
