Definition of Gill bars. Meaning of Gill bars. Synonyms of Gill bars

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Definition of Gill bars

Gill bars
Gill Gill, 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. Fishes perform respiration under water by the gills. --Ray. Note: Gills are usually lamellar or filamentous appendages, through which the blood circulates, and in which it is exposed to the action of the air contained in the water. In vertebrates they are appendages of the visceral arches on either side of the neck. In invertebrates they occupy various situations. 2. pl. (Bot.) The radiating, gill-shaped plates forming the under surface of a mushroom. 3. (Zo["o]l.) The fleshy flap that hangs below the beak of a fowl; a wattle. 4. The flesh under or about the chin. --Swift. 5. (Spinning) One of the combs of closely ranged steel pins which divide the ribbons of flax fiber or wool into fewer parallel filaments. [Prob. so called from F. aiguilles, needles. --Ure.] Gill arches, Gill bars. (Anat.) Same as Branchial arches. Gill clefts. (Anat.) Same as Branchial clefts. See under Branchial. Gill cover, Gill lid. See Operculum. Gill frame, or Gill head (Flax Manuf.), a spreader; a machine for subjecting flax to the action of gills. --Knight. Gill net, a flat net so suspended in the water that its meshes allow the heads of fish to pass, but catch in the gills when they seek to extricate themselves. Gill opening, or Gill slit (Anat.), an opening behind and below the head of most fishes, and some amphibians, by which the water from the gills is discharged. In most fishes there is a single opening on each side, but in the sharks and rays there are five, or more, on each side. Gill rakes, or Gill rakers (Anat.), horny filaments, or progresses, on the inside of the branchial arches of fishes, which help to prevent solid substances from being carried into gill cavities.

Meaning of Gill bars from wikipedia

- discovery of pharyngeal bars (gill bars) makes Metaspriggina the oldest known animal to have this feature. The first pair of pharyngeal bars later evolved to...
- that once controlled gill openings. The tongue is anc****d to the hyoid bone, which was once the lower half of a pair of gill bars (the second pair after...
- symmetrical complexes of four internal bars. The morphological similarity of these structures to the gill bars of cephalochordates and enteropneusts is...
- Oren Bar-Gill (born 1975) is an Israeli-American lawyer, economist, and academic. He is William J. Friedman and Alicia Townsend Friedman Professor of Law...
- fluid out through the gills (anything above 2 to 3 mm in diameter is trapped). Any material caught in the filter between the gill bars is swallowed. Whale...
- Parm Gill (born May 17, 1974) is a Canadian politician. He represented the riding of Milton in the Legislative ****embly of Ontario between 2018 and 2024...
- the water, which they can draw into the mouth using the cilia on the gill bars. Research indicates that the rate of feeding of acorn worms that are detritus...
- This and other features of cambroernids suggest that post-anal tails, gill bars, and a U-shaped gut evolved multiple times in the deuterostomes through...
- each day. Whale sharks feed by using rakers on their gill bars and strain them from their gill slits after sweeping krill and other prey into their mouths...
- bars are supplemental bars containing cereals, micronutrients, and flavor ingredients intended to supply quick food energy. Because most energy bars contain...