gill opening

  • 1Gill opening — Gill Gill (g[i^]l), n. [Dan. gi[ae]lle, gelle; akin to Sw. g[ a]l, Icel. gj[ o]lnar gills; cf. AS. geagl, geahl, jaw.] 1. (Anat.) An organ for aquatic respiration; a branchia. [1913 Webster] Fishes perform respiration under water by the gills.… …

    The Collaborative International Dictionary of English

  • 2gill opening — an external opening leading from the gill chamber. Also called gill slit or branchial opening. Elasmobranchii have 5 7 openings or slits on each side of the head while bony fishes have only one. The opening allows water to exit after passing over …

    Dictionary of ichthyology

  • 3gill slit — gill opening …

    Dictionary of ichthyology

  • 4Gill — (g[i^]l), n. [Dan. gi[ae]lle, gelle; akin to Sw. g[ a]l, Icel. gj[ o]lnar gills; cf. AS. geagl, geahl, jaw.] 1. (Anat.) An organ for aquatic respiration; a branchia. [1913 Webster] Fishes perform respiration under water by the gills. Ray. [1913… …

    The Collaborative International Dictionary of English

  • 5Gill arches — Gill Gill (g[i^]l), n. [Dan. gi[ae]lle, gelle; akin to Sw. g[ a]l, Icel. gj[ o]lnar gills; cf. AS. geagl, geahl, jaw.] 1. (Anat.) An organ for aquatic respiration; a branchia. [1913 Webster] Fishes perform respiration under water by the gills.… …

    The Collaborative International Dictionary of English

  • 6Gill bars — Gill Gill (g[i^]l), n. [Dan. gi[ae]lle, gelle; akin to Sw. g[ a]l, Icel. gj[ o]lnar gills; cf. AS. geagl, geahl, jaw.] 1. (Anat.) An organ for aquatic respiration; a branchia. [1913 Webster] Fishes perform respiration under water by the gills.… …

    The Collaborative International Dictionary of English

  • 7Gill clefts — Gill Gill (g[i^]l), n. [Dan. gi[ae]lle, gelle; akin to Sw. g[ a]l, Icel. gj[ o]lnar gills; cf. AS. geagl, geahl, jaw.] 1. (Anat.) An organ for aquatic respiration; a branchia. [1913 Webster] Fishes perform respiration under water by the gills.… …

    The Collaborative International Dictionary of English

  • 8Gill cover — Gill Gill (g[i^]l), n. [Dan. gi[ae]lle, gelle; akin to Sw. g[ a]l, Icel. gj[ o]lnar gills; cf. AS. geagl, geahl, jaw.] 1. (Anat.) An organ for aquatic respiration; a branchia. [1913 Webster] Fishes perform respiration under water by the gills.… …

    The Collaborative International Dictionary of English

  • 9Gill frame — Gill Gill (g[i^]l), n. [Dan. gi[ae]lle, gelle; akin to Sw. g[ a]l, Icel. gj[ o]lnar gills; cf. AS. geagl, geahl, jaw.] 1. (Anat.) An organ for aquatic respiration; a branchia. [1913 Webster] Fishes perform respiration under water by the gills.… …

    The Collaborative International Dictionary of English

  • 10Gill head — Gill Gill (g[i^]l), n. [Dan. gi[ae]lle, gelle; akin to Sw. g[ a]l, Icel. gj[ o]lnar gills; cf. AS. geagl, geahl, jaw.] 1. (Anat.) An organ for aquatic respiration; a branchia. [1913 Webster] Fishes perform respiration under water by the gills.… …

    The Collaborative International Dictionary of English