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Parrot feather barbules and barbule hooks

Image Number: 9299C

Caption:

Parrot feather barbules and barbule hooks. A feather consists of a central axis or rachis, continuous with the hollow quill attached to the bird's body. The rachis bears the flat vane of the feather which is made up of many slender barbs bearing barbules along each side. The barbules of adjacent barbs interlock to form a continuous surface.

Keywords:

| Feather parrot barbule hook keratin SEM barbule hook barbule hooks barbule tip allergen allergenic allergic barbules bird bird feather Misc. Vertebrates parrot feather vertebrate rachis hollow quill quill 10.01.07 9299C |

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