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Examples ofbarbules
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All cassowaries have feathers that consist of a shaft and loosebarbules.
From
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This example is from Wikipedia and may be reused under a CC BY-SA license.The barbs branch noticeably intobarbules, as in the feathers of modern birds.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Thebarbulesare tiny strands that criss-cross on the flattened side s of the barbs.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
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This example is from Wikipedia and may be reused under a CC BY-SA license.These vanes are composed of a high number of flattened barbs, that are connected to one another withbarbules.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Some birds have a supply of powder down feathers which grow continuously, with small particles regularly breaking off from the ends of thebarbules.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.In other species, powder grains come from cells that surround thebarbulesof growing feathers.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Its wing feathers are shorter, more rounded, less asymmetrical, and have fewer distalbarbulesto lock the feathers together.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Over time these barb ridges lengthen helically, branch to create barbs andbarbules, and fuse to form the rachis or central shaft.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.In waterbirds, the oil maintains the flexibility of feathers and keeps featherbarbulesfrom breaking.
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Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Thesebarbuleshave minute hooks called barbicels for cross-attachment.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.The remiges of ratites are soft and downy; they lack the interlocking hooks andbarbulesthat help to stiffen the flight feathers of other birds.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Breeding males' blue plumage, particularly the ear-coverts, is highly iridescent because of the flattened and twisted surface of thebarbules.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.A closed vane develops when pennulae on the distalbarbulesform a hooked shape to attach to the simpler proximalbarbulesof the adjacent barb.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Hairlike extensions to thebarbulesof its feathers, which give the plumage a soft feel, also minimise noise produced during wingbeats.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Its palate is also distinctive, and its feathers have nobarbulesor aftershaft.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.The breeding males' blue plumage, particularly the ear-coverts, is highly iridescent due to the flattened and twisted surface of thebarbules.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.It has a short or vestigial rachis (shaft), few barbs, andbarbulesthat lack hooks.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.They lack aftershafts andbarbules.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.In some species, the tips of thebarbuleson powder down feathers disintegrate, forming fine particles of keratin, which appear as a powder, or feather dust, among the feathers.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Down feathers are fluffy because they lack barbicels, so thebarbulesfloat free of each other, allowing the down to trap air and provide excellent thermal insulation.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.