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Definition of Pteryla
1. n. One of the definite areas of the skin of a bird on which feathers grow; -- contrasted with apteria.
Definition of Pteryla
1. a feathered area on the skin of a bird [n -LAE]
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1. n. One of the definite areas of the skin of a bird on which feathers grow; -- contrasted with apteria.
1. a feathered area on the skin of a bird [n -LAE]