branchial definition

  • adjective:
    • Of, concerning, or resembling the gills of a fish, their homologous embryonic structures, or even the types of the homologous components in higher animals: branchial muscle tissue.
    • Of, regarding or resembling gills
    • Of or related to branchiæ or gills.
    • of or concerning gills (or even areas of the body derived from embryonic gills)
  • others:
    • Of or regarding the branchiæ or gills; or, in creatures without any gills precisely so called, of or pertaining to the components considered homologous with gills, because, in a bird or mammal, elements of the third postoral visceral arch, or of every visceral arch behind the hyoidean.
    • Performed in the form of branchiæ: as, branchial respiration; a branchial function.
    • In Crustacea, a cavity or area inclosed by the branchiostegite or gill-cover (created by a free pleural part of the carapace), and bounded internally because of the epimera of branchiferous somites.

Related Sources

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