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1. One of the light, flat growths forming the plumage of birds, consisting of numerous slender, closely arranged parallel barbs forming a vane on either side of a horny, tapering, partly hollow shaft.
2. A feathery tuft or fringe of hair, as on the legs or tail of some dogs.
To grow feathers or become feathered.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


any of the flat light waterproof epidermal structures forming the plumage of birds, several types of which form the body covering of birds. The principal types of feather are remex (wing feather); rectrice (tail feather); CONTOUR FEATHER (covering the outside of the bird); DOWN (the soft covering to the body); filoplume (hairlike feathers bearing a few barbs at the apex, occurring between the contour feathers). Feathers consist of a central RACHIS that supports BARBS which, except in down feathers, are connected to form a lamella by means of BARBULES. Feathers are now also known to have occurred in some Theropod DINOSAURS (Coelurosaurs) which have recently been excavated in China, and even Tyrannosaurus may have possessed feathers at some stage in its life cycle.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

Patient discussion about feather

Q. can you be allergic to goose feathers?? do you get an allergic reaction even through the pillow cover??? If not- I don't know what it is but something in my bed is giving me a rash...

A. i had a similar problem. i just couldn't sleep in my bed and every day i changed one thing to see what is the cause. then i found that one of the pillows causes it and probably from dust mites. you can easily be allergic to goose feathers that can pass through the pillow cover. all you have to do is replace it and see if something changed.

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References in periodicals archive ?
Because sandstone is the type of rock that most commonly preserves dinosaur skeletons, the Canadian discoveries reveal great new potential for the recovery of feathered dinosaurs worldwide.
Many of the feathered dinosaurs found in China are older than Ornithomimus.
The feathered hem softened the look, giving it a glamorous edge.
brI'll get to the answer in a short while.If you're a fan of feathered chickens crests, beards, tufts or muffs you'll probably feel at home with a feathered shank as a pet.
Caption: A feathered dinosaur only distantly related to birds, shown In an Illustration, suggests that plumage may have been common among most or even all dinosaurs.
Other feathered dinosaurs have been discovered in Germany and China, but those dinosaurs are from a later period and a more closely related to birds than ornithomimids.
The researchers estimate that an adult Yutyrannus would have been about 9 meters long and weighed about 1400 kg, making it considerably smaller than its infamous relative Tyrannosaurus rex but some 40 times the weight of the largest previously known feathered dinosaur, Beipiaosaurus.
Feathers Fur And Fins vividly captures the life and love of three animals and is a very highly recommended collection for all animal lovers and environmentalists searching for a unique and worldly (albeit it fictional) perspective from our feathered, finned, and furry friends.
Just last October, Norell and his colleague Xu Xing announced that fossil hunters had unearthed a 2 meter (6.5 foot)-long feathered tyrannosaur--in the same family as the towering, toothy T.
Hundreds of feathered arrow shafts and atlatl darts had been collected during the mid to late 1800s by a coterie of Smithsonian naturalists, including William Dall, Edward Nelson, Lucien Turner, and John Murdoch (Fitzhugh, 2002), and they remain in excellent condition.
The oldest animal prior to this that everyone agrees was a feathered bird is called Archaeopteryx, which first appears in the fossil record about 75,000,000 years after Longisquama.
The densely saturated colors--particularly the reds of the velvet rope around the woman's neck, the flower in her hair, and the garish ballerina costume--fuse with the surface of the feathered screen to create an astounding effect: The projected image becomes tactile.