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PancreasΒΆ

graph TD
    Pancreas --> Islets
    Islets --> Alpha[Alpha cells]
    Islets --> Beta[Beta cells]
    Islets --> Delta[Delta cells]
    Islets --> PP["PP (F) cells"]
    Islets --> Epsilon[Epsilon cells]

    Alpha --> Glucagon
    Beta --> Insulin
    Delta --> Somatostatin
    PP --> PancreaticPolypeptide[Pancreatic Polypeptide]
    Epsilon --> Ghrelin

    Glucagon -- increases --> BloodGlucose
    Insulin -- decreases --> BloodGlucose

    Insulin -. inhibits .-> Glucagon
    Glucagon -. stimulates .-> Insulin
    Somatostatin -. inhibits .-> Insulin
    Somatostatin -. inhibits .-> Glucagon
    PancreaticPolypeptide -- regulates --> PancreaticSecretions
    PancreaticPolypeptide -- regulates --> Appetite
    Ghrelin -- stimulates --> Appetite