blood gill

blood gill
noun
: one of the thin-walled fimbriated blood-filled evaginations more or less completely free from tracheae that are characteristic of certain chiefly aquatic insects and may be concerned with respiratory or osmotic activity

Useful english dictionary. 2012.

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  • 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. Ray. [1913… …   The Collaborative International Dictionary of English

  • Gill 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

  • Gill 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

  • Gill 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

  • Gill 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

  • Gill 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

  • Gill 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

  • Gill lid — 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

  • Gill net — 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

  • Gill 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

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