Definitions for pair bond

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Wiktionary

  1. pair bond(Noun)

    a relationship, often permanent, formed between a male and female animal; initiated during courtship and maintained after mating

Freebase

  1. Pair bond

    In biology, a pair bond is the strong affinity that develops in some species between a pair consisting of a male and female, or in some cases as a same-sex pairing, potentially leading to producing offspring and/or a lifelong bond. Pair-bonding is a term coined in the 1940s that is frequently used in sociobiology and evolutionary psychology circles. The term often implies either a lifelong socially monogamous relationship or a stage of mating interaction in socially monogamous species. It is sometimes used in reference to human relationships. Monogamous voles, such as prairie voles, have significantly greater density and distribution of vasopressin receptors in their brain when compared to polygamous voles. These differences are located in the ventral forebrain and the dopamine-mediated reward pathway. Both vasopressin and dopamine act in this region to coordinate rewarding activities such as mating, and regulate selective affiliation. These species specific differences have shown to correlate with social behaviors, and in monogamous prairie voles are important for facilitation of pair bonding.

U.S. National Library of Medicine

  1. Pair Bond

    In animals, the social relationship established between a male and female for reproduction. It may include raising of young.

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