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mesotocin (uncountable)

  1. (biochemistry) A neurohormone found in nonmammalian vertebrates with properties similar to oxytocin.
    • 2022 October 24, Hannah Thomasy, “They May Have Love on Their Lizard Brains”, in The New York Times[1]:
      In mammals, vasopressin and oxytocin play important roles in social behaviors, and reptiles have structurally similar hormones called vasotocin and mesotocin. [] Dr. Campos’s research indicates that vasotocin may alter chemical communication between green anole lizards, and other researchers found that mesotocin may be related to courtship behaviors in brown anoles.

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