pteryla
Pte*ry"la, n.; pl. Pterylæ. Etym: [NL., fr. Gr. (Zoöl.) Defn: One of the definite areas of the skin of a bird on which feathers grow; -- contrasted with apteria.
Pte*ry"la, n.; pl. Pterylæ. Etym: [NL., fr. Gr. (Zoöl.) Defn: One of the definite areas of the skin of a bird on which feathers grow; -- contrasted with apteria.