Alula
Sign in to saveAlso known as bastard wing
thumb|280px|alt=Drawing of the various parts of a bird's wing|Location of the alula on a bird's wing The alula , or bastard wing, (plural alulae) is a small projection on the anterior edge of the wing of modern birds and a few non-avian dinosaurs. The word is Latin and means "winglet"; it is the diminutive of ala, meaning "wing". The alula is the freely moving first digit, a bird's "thumb", and typically bears three to five small flight feathers, with the exact number depending on the species. There also are minor covert feathers overlying the flight feathers. Like the larger flight feathers f
Wikidata facts
- Subclass of
- feather
- Part of
- bird's wing
- Image
- Alula (PSF).png
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- Commons category
- Alula
- anatomical location
- thumb
Sources (1)
via Wikidata · CC0
Article · Italiano
Alula è il termine con cui sono denominate, in zoologia, strutture morfoanatomiche più o meno associate all'ala in alcune forme alate. Dal punto di vista dell'anatomia comparata non si tratta di strutture omologhe, bensì di espansioni dell'ala di ridotte dimensioni rispetto all'intero organo.
Abstract from DBpedia / Wikipedia · CC BY-SA